201231640

素因数分解:

$2^3\times 5^1\times {\mathrm{5030791}}^1$

素因数の和:5030802

約数の個数: 16

約数和(自身を含む): 452771280

約数和(自身を除く): 251539640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030791, 10061582, 20123164, 25153955, 40246328, 50307910, 100615820, 201231640]

約数ペア:

[(1, 201231640), (2, 100615820), (4, 50307910), (5, 40246328), (8, 25153955), (10, 20123164), (20, 10061582), (40, 5030791)]