7887020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12761

約数の個数: 24

約数和(自身を含む): 17098368

約数和(自身を除く): 9211348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12721, 25442, 50884, 63605, 127210, 254420, 394351, 788702, 1577404, 1971755, 3943510, 7887020]

約数ペア:

[(1, 7887020), (2, 3943510), (4, 1971755), (5, 1577404), (10, 788702), (20, 394351), (31, 254420), (62, 127210), (124, 63605), (155, 50884), (310, 25442), (620, 12721)]