15995600

素因数分解:

$2^4\times 5^2\times {\mathrm{39989}}^1$

素因数の和:40007

約数の個数: 30

約数和(自身を含む): 38430390

約数和(自身を除く): 22434790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 39989, 79978, 159956, 199945, 319912, 399890, 639824, 799780, 999725, 1599560, 1999450, 3199120, 3998900, 7997800, 15995600]

約数ペア:

[(1, 15995600), (2, 7997800), (4, 3998900), (5, 3199120), (8, 1999450), (10, 1599560), (16, 999725), (20, 799780), (25, 639824), (40, 399890), (50, 319912), (80, 199945), (100, 159956), (200, 79978), (400, 39989)]