867080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 1992600

約数和(自身を除く): 1125520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 409, 424, 530, 818, 1060, 1636, 2045, 2120, 3272, 4090, 8180, 16360, 21677, 43354, 86708, 108385, 173416, 216770, 433540, 867080]

約数ペア:

[(1, 867080), (2, 433540), (4, 216770), (5, 173416), (8, 108385), (10, 86708), (20, 43354), (40, 21677), (53, 16360), (106, 8180), (212, 4090), (265, 3272), (409, 2120), (424, 2045), (530, 1636), (818, 1060)]