87508820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625063}}^1$

素因数の和:625079

約数の個数: 24

約数和(自身を含む): 210021504

約数和(自身を除く): 122512684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625063, 1250126, 2500252, 3125315, 4375441, 6250630, 8750882, 12501260, 17501764, 21877205, 43754410, 87508820]

約数ペア:

[(1, 87508820), (2, 43754410), (4, 21877205), (5, 17501764), (7, 12501260), (10, 8750882), (14, 6250630), (20, 4375441), (28, 3125315), (35, 2500252), (70, 1250126), (140, 625063)]