201578480

素因数分解:

$2^4\times 5^1\times {\mathrm{2519731}}^1$

素因数の和:2519744

約数の個数: 20

約数和(自身を含む): 468670152

約数和(自身を除く): 267091672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2519731, 5039462, 10078924, 12598655, 20157848, 25197310, 40315696, 50394620, 100789240, 201578480]

約数ペア:

[(1, 201578480), (2, 100789240), (4, 50394620), (5, 40315696), (8, 25197310), (10, 20157848), (16, 12598655), (20, 10078924), (40, 5039462), (80, 2519731)]