201996880

素因数分解:

$2^4\times 5^1\times {\mathrm{2524961}}^1$

素因数の和:2524974

約数の個数: 20

約数和(自身を含む): 469642932

約数和(自身を除く): 267646052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524961, 5049922, 10099844, 12624805, 20199688, 25249610, 40399376, 50499220, 100998440, 201996880]

約数ペア:

[(1, 201996880), (2, 100998440), (4, 50499220), (5, 40399376), (8, 25249610), (10, 20199688), (16, 12624805), (20, 10099844), (40, 5049922), (80, 2524961)]