41616640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 111774096

約数和(自身を除く): 70157456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 61, 64, 65, 80, 82, 104, 122, 128, 130, 160, 164, 205, 208, 244, 256, 260, 305, 320, 328, 410, 416, 488, 520, 533, 610, 640, 656, 793, 820, 832, 976, 1040, 1066, 1220, 1280, 1312, 1586, 1640, 1664, 1952, 2080, 2132, 2440, 2501, 2624, 2665, 3172, 3280, 3328, 3904, 3965, 4160, 4264, 4880, 5002, 5248, 5330, 6344, 6560, 7808, 7930, 8320, 8528, 9760, 10004, 10496, 10660, 12505, 12688, 13120, 15616, 15860, 16640, 17056, 19520, 20008, 21320, 25010, 25376, 26240, 31720, 32513, 34112, 39040, 40016, 42640, 50020, 50752, 52480, 63440, 65026, 68224, 78080, 80032, 85280, 100040, 101504, 126880, 130052, 136448, 160064, 162565, 170560, 200080, 203008, 253760, 260104, 320128, 325130, 341120, 400160, 507520, 520208, 640256, 650260, 682240, 800320, 1015040, 1040416, 1300520, 1600640, 2080832, 2601040, 3201280, 4161664, 5202080, 8323328, 10404160, 20808320, 41616640]

約数ペア:

[(1, 41616640), (2, 20808320), (4, 10404160), (5, 8323328), (8, 5202080), (10, 4161664), (13, 3201280), (16, 2601040), (20, 2080832), (26, 1600640), (32, 1300520), (40, 1040416), (41, 1015040), (52, 800320), (61, 682240), (64, 650260), (65, 640256), (80, 520208), (82, 507520), (104, 400160), (122, 341120), (128, 325130), (130, 320128), (160, 260104), (164, 253760), (205, 203008), (208, 200080), (244, 170560), (256, 162565), (260, 160064), (305, 136448), (320, 130052), (328, 126880), (410, 101504), (416, 100040), (488, 85280), (520, 80032), (533, 78080), (610, 68224), (640, 65026), (656, 63440), (793, 52480), (820, 50752), (832, 50020), (976, 42640), (1040, 40016), (1066, 39040), (1220, 34112), (1280, 32513), (1312, 31720), (1586, 26240), (1640, 25376), (1664, 25010), (1952, 21320), (2080, 20008), (2132, 19520), (2440, 17056), (2501, 16640), (2624, 15860), (2665, 15616), (3172, 13120), (3280, 12688), (3328, 12505), (3904, 10660), (3965, 10496), (4160, 10004), (4264, 9760), (4880, 8528), (5002, 8320), (5248, 7930), (5330, 7808), (6344, 6560)]