985640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 2275560

約数和(自身を除く): 1289920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 601, 820, 1202, 1640, 2404, 3005, 4808, 6010, 12020, 24040, 24641, 49282, 98564, 123205, 197128, 246410, 492820, 985640]

約数ペア:

[(1, 985640), (2, 492820), (4, 246410), (5, 197128), (8, 123205), (10, 98564), (20, 49282), (40, 24641), (41, 24040), (82, 12020), (164, 6010), (205, 4808), (328, 3005), (410, 2404), (601, 1640), (820, 1202)]