87386420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397211}}^1$

素因数の和:397231

約数の個数: 24

約数和(自身を含む): 200194848

約数和(自身を除く): 112808428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397211, 794422, 1588844, 1986055, 3972110, 4369321, 7944220, 8738642, 17477284, 21846605, 43693210, 87386420]

約数ペア:

[(1, 87386420), (2, 43693210), (4, 21846605), (5, 17477284), (10, 8738642), (11, 7944220), (20, 4369321), (22, 3972110), (44, 1986055), (55, 1588844), (110, 794422), (220, 397211)]