63191420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44501}}^1$

素因数の和:44581

約数の個数: 24

約数和(自身を含む): 134574048

約数和(自身を除く): 71382628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 44501, 89002, 178004, 222505, 445010, 890020, 3159571, 6319142, 12638284, 15797855, 31595710, 63191420]

約数ペア:

[(1, 63191420), (2, 31595710), (4, 15797855), (5, 12638284), (10, 6319142), (20, 3159571), (71, 890020), (142, 445010), (284, 222505), (355, 178004), (710, 89002), (1420, 44501)]