3325640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 7594560

約数和(自身を除く): 4268920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1171, 1420, 2342, 2840, 4684, 5855, 9368, 11710, 23420, 46840, 83141, 166282, 332564, 415705, 665128, 831410, 1662820, 3325640]

約数ペア:

[(1, 3325640), (2, 1662820), (4, 831410), (5, 665128), (8, 415705), (10, 332564), (20, 166282), (40, 83141), (71, 46840), (142, 23420), (284, 11710), (355, 9368), (568, 5855), (710, 4684), (1171, 2840), (1420, 2342)]