201553616720

素因数分解:

$2^4\times 5^1\times {\mathrm{2519420209}}^1$

素因数の和:2519420222

約数の個数: 20

約数和(自身を含む): 468612159060

約数和(自身を除く): 267058542340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2519420209, 5038840418, 10077680836, 12597101045, 20155361672, 25194202090, 40310723344, 50388404180, 100776808360, 201553616720]

約数ペア:

[(1, 201553616720), (2, 100776808360), (4, 50388404180), (5, 40310723344), (8, 25194202090), (10, 20155361672), (16, 12597101045), (20, 10077680836), (40, 5038840418), (80, 2519420209)]