20160808

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 18963992

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 569, 824, 1138, 2276, 4429, 4552, 8858, 17716, 24467, 35432, 48934, 58607, 97868, 117214, 195736, 234428, 468856, 2520101, 5040202, 10080404, 20160808]

約数ペア:

[(1, 20160808), (2, 10080404), (4, 5040202), (8, 2520101), (43, 468856), (86, 234428), (103, 195736), (172, 117214), (206, 97868), (344, 58607), (412, 48934), (569, 35432), (824, 24467), (1138, 17716), (2276, 8858), (4429, 4552)]