201031720

素因数分解:

$2^3\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{3517}}^1$

素因数の和:4957

約数の個数: 32

約数和(自身を含む): 452766600

約数和(自身を除く): 251734880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1429, 2858, 3517, 5716, 7034, 7145, 11432, 14068, 14290, 17585, 28136, 28580, 35170, 57160, 70340, 140680, 5025793, 10051586, 20103172, 25128965, 40206344, 50257930, 100515860, 201031720]

約数ペア:

[(1, 201031720), (2, 100515860), (4, 50257930), (5, 40206344), (8, 25128965), (10, 20103172), (20, 10051586), (40, 5025793), (1429, 140680), (2858, 70340), (3517, 57160), (5716, 35170), (7034, 28580), (7145, 28136), (11432, 17585), (14068, 14290)]