25475920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 37020080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 139, 145, 158, 232, 278, 290, 316, 395, 464, 556, 580, 632, 695, 790, 1112, 1160, 1264, 1390, 1580, 2224, 2291, 2320, 2780, 3160, 4031, 4582, 5560, 6320, 8062, 9164, 10981, 11120, 11455, 16124, 18328, 20155, 21962, 22910, 32248, 36656, 40310, 43924, 45820, 54905, 64496, 80620, 87848, 91640, 109810, 161240, 175696, 183280, 219620, 318449, 322480, 439240, 636898, 878480, 1273796, 1592245, 2547592, 3184490, 5095184, 6368980, 12737960, 25475920]

約数ペア:

[(1, 25475920), (2, 12737960), (4, 6368980), (5, 5095184), (8, 3184490), (10, 2547592), (16, 1592245), (20, 1273796), (29, 878480), (40, 636898), (58, 439240), (79, 322480), (80, 318449), (116, 219620), (139, 183280), (145, 175696), (158, 161240), (232, 109810), (278, 91640), (290, 87848), (316, 80620), (395, 64496), (464, 54905), (556, 45820), (580, 43924), (632, 40310), (695, 36656), (790, 32248), (1112, 22910), (1160, 21962), (1264, 20155), (1390, 18328), (1580, 16124), (2224, 11455), (2291, 11120), (2320, 10981), (2780, 9164), (3160, 8062), (4031, 6320), (4582, 5560)]