30920080

素因数分解:

$2^4\times 5^1\times {\mathrm{386501}}^1$

素因数の和:386514

約数の個数: 20

約数和(自身を含む): 71889372

約数和(自身を除く): 40969292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386501, 773002, 1546004, 1932505, 3092008, 3865010, 6184016, 7730020, 15460040, 30920080]

約数ペア:

[(1, 30920080), (2, 15460040), (4, 7730020), (5, 6184016), (8, 3865010), (10, 3092008), (16, 1932505), (20, 1546004), (40, 773002), (80, 386501)]