10421240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 23837760

約数和(自身を除く): 13416520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4271, 8542, 17084, 21355, 34168, 42710, 85420, 170840, 260531, 521062, 1042124, 1302655, 2084248, 2605310, 5210620, 10421240]

約数ペア:

[(1, 10421240), (2, 5210620), (4, 2605310), (5, 2084248), (8, 1302655), (10, 1042124), (20, 521062), (40, 260531), (61, 170840), (122, 85420), (244, 42710), (305, 34168), (488, 21355), (610, 17084), (1220, 8542), (2440, 4271)]