7954840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2883

約数の個数: 32

約数和(自身を含む): 18156960

約数和(自身を除く): 10202120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2801, 2840, 5602, 11204, 14005, 22408, 28010, 56020, 112040, 198871, 397742, 795484, 994355, 1590968, 1988710, 3977420, 7954840]

約数ペア:

[(1, 7954840), (2, 3977420), (4, 1988710), (5, 1590968), (8, 994355), (10, 795484), (20, 397742), (40, 198871), (71, 112040), (142, 56020), (284, 28010), (355, 22408), (568, 14005), (710, 11204), (1420, 5602), (2801, 2840)]