1262840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 2874960

約数和(自身を除く): 1612120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 241, 262, 482, 524, 655, 964, 1048, 1205, 1310, 1928, 2410, 2620, 4820, 5240, 9640, 31571, 63142, 126284, 157855, 252568, 315710, 631420, 1262840]

約数ペア:

[(1, 1262840), (2, 631420), (4, 315710), (5, 252568), (8, 157855), (10, 126284), (20, 63142), (40, 31571), (131, 9640), (241, 5240), (262, 4820), (482, 2620), (524, 2410), (655, 1928), (964, 1310), (1048, 1205)]