7090120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 16068600

約数和(自身を除く): 8978480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1129, 1256, 1570, 2258, 3140, 4516, 5645, 6280, 9032, 11290, 22580, 45160, 177253, 354506, 709012, 886265, 1418024, 1772530, 3545060, 7090120]

約数ペア:

[(1, 7090120), (2, 3545060), (4, 1772530), (5, 1418024), (8, 886265), (10, 709012), (20, 354506), (40, 177253), (157, 45160), (314, 22580), (628, 11290), (785, 9032), (1129, 6280), (1256, 5645), (1570, 4516), (2258, 3140)]