25061240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10271}}^1$

素因数の和:10343

約数の個数: 32

約数和(自身を含む): 57317760

約数和(自身を除く): 32256520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10271, 20542, 41084, 51355, 82168, 102710, 205420, 410840, 626531, 1253062, 2506124, 3132655, 5012248, 6265310, 12530620, 25061240]

約数ペア:

[(1, 25061240), (2, 12530620), (4, 6265310), (5, 5012248), (8, 3132655), (10, 2506124), (20, 1253062), (40, 626531), (61, 410840), (122, 205420), (244, 102710), (305, 82168), (488, 51355), (610, 41084), (1220, 20542), (2440, 10271)]