1245256420

素因数分解:

$2^2\times 5^1\times {\mathrm{62262821}}^1$

素因数の和:62262830

約数の個数: 12

約数和(自身を含む): 2615038524

約数和(自身を除く): 1369782104

約数列:

[1, 2, 4, 5, 10, 20, 62262821, 124525642, 249051284, 311314105, 622628210, 1245256420]

約数ペア:

[(1, 1245256420), (2, 622628210), (4, 311314105), (5, 249051284), (10, 124525642), (20, 62262821)]