25065560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 41462440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 59, 65, 76, 86, 95, 104, 118, 130, 152, 172, 190, 215, 236, 247, 260, 295, 344, 380, 430, 472, 494, 520, 559, 590, 760, 767, 817, 860, 988, 1118, 1121, 1180, 1235, 1534, 1634, 1720, 1976, 2236, 2242, 2360, 2470, 2537, 2795, 3068, 3268, 3835, 4085, 4472, 4484, 4940, 5074, 5590, 5605, 6136, 6536, 7670, 8170, 8968, 9880, 10148, 10621, 11180, 11210, 12685, 14573, 15340, 16340, 20296, 21242, 22360, 22420, 25370, 29146, 30680, 32680, 32981, 42484, 44840, 48203, 50740, 53105, 58292, 65962, 72865, 84968, 96406, 101480, 106210, 116584, 131924, 145730, 164905, 192812, 212420, 241015, 263848, 291460, 329810, 385624, 424840, 482030, 582920, 626639, 659620, 964060, 1253278, 1319240, 1928120, 2506556, 3133195, 5013112, 6266390, 12532780, 25065560]

約数ペア:

[(1, 25065560), (2, 12532780), (4, 6266390), (5, 5013112), (8, 3133195), (10, 2506556), (13, 1928120), (19, 1319240), (20, 1253278), (26, 964060), (38, 659620), (40, 626639), (43, 582920), (52, 482030), (59, 424840), (65, 385624), (76, 329810), (86, 291460), (95, 263848), (104, 241015), (118, 212420), (130, 192812), (152, 164905), (172, 145730), (190, 131924), (215, 116584), (236, 106210), (247, 101480), (260, 96406), (295, 84968), (344, 72865), (380, 65962), (430, 58292), (472, 53105), (494, 50740), (520, 48203), (559, 44840), (590, 42484), (760, 32981), (767, 32680), (817, 30680), (860, 29146), (988, 25370), (1118, 22420), (1121, 22360), (1180, 21242), (1235, 20296), (1534, 16340), (1634, 15340), (1720, 14573), (1976, 12685), (2236, 11210), (2242, 11180), (2360, 10621), (2470, 10148), (2537, 9880), (2795, 8968), (3068, 8170), (3268, 7670), (3835, 6536), (4085, 6136), (4472, 5605), (4484, 5590), (4940, 5074)]