2558032640

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 6366487680

約数和(自身を除く): 3808455040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 128, 158, 160, 164, 205, 256, 316, 320, 328, 395, 410, 617, 632, 640, 656, 790, 820, 1234, 1264, 1280, 1312, 1580, 1640, 2468, 2528, 2624, 3085, 3160, 3239, 3280, 4936, 5056, 5248, 6170, 6320, 6478, 6560, 9872, 10112, 10496, 12340, 12640, 12956, 13120, 16195, 19744, 20224, 24680, 25280, 25297, 25912, 26240, 32390, 39488, 48743, 49360, 50560, 50594, 51824, 52480, 64780, 78976, 97486, 98720, 101120, 101188, 103648, 126485, 129560, 157952, 194972, 197440, 202376, 207296, 243715, 252970, 259120, 389944, 394880, 404752, 414592, 487430, 505940, 518240, 779888, 789760, 809504, 829184, 974860, 1011880, 1036480, 1559776, 1619008, 1949720, 1998463, 2023760, 2072960, 3119552, 3238016, 3899440, 3996926, 4047520, 4145920, 6239104, 6476032, 7798880, 7993852, 8095040, 9992315, 12478208, 15597760, 15987704, 16190080, 19984630, 31195520, 31975408, 32380160, 39969260, 62391040, 63950816, 79938520, 127901632, 159877040, 255803264, 319754080, 511606528, 639508160, 1279016320, 2558032640]

約数ペア:

[(1, 2558032640), (2, 1279016320), (4, 639508160), (5, 511606528), (8, 319754080), (10, 255803264), (16, 159877040), (20, 127901632), (32, 79938520), (40, 63950816), (41, 62391040), (64, 39969260), (79, 32380160), (80, 31975408), (82, 31195520), (128, 19984630), (158, 16190080), (160, 15987704), (164, 15597760), (205, 12478208), (256, 9992315), (316, 8095040), (320, 7993852), (328, 7798880), (395, 6476032), (410, 6239104), (617, 4145920), (632, 4047520), (640, 3996926), (656, 3899440), (790, 3238016), (820, 3119552), (1234, 2072960), (1264, 2023760), (1280, 1998463), (1312, 1949720), (1580, 1619008), (1640, 1559776), (2468, 1036480), (2528, 1011880), (2624, 974860), (3085, 829184), (3160, 809504), (3239, 789760), (3280, 779888), (4936, 518240), (5056, 505940), (5248, 487430), (6170, 414592), (6320, 404752), (6478, 394880), (6560, 389944), (9872, 259120), (10112, 252970), (10496, 243715), (12340, 207296), (12640, 202376), (12956, 197440), (13120, 194972), (16195, 157952), (19744, 129560), (20224, 126485), (24680, 103648), (25280, 101188), (25297, 101120), (25912, 98720), (26240, 97486), (32390, 78976), (39488, 64780), (48743, 52480), (49360, 51824), (50560, 50594)]