8426420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13591}}^1$

素因数の和:13631

約数の個数: 24

約数和(自身を含む): 18267648

約数和(自身を除く): 9841228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13591, 27182, 54364, 67955, 135910, 271820, 421321, 842642, 1685284, 2106605, 4213210, 8426420]

約数ペア:

[(1, 8426420), (2, 4213210), (4, 2106605), (5, 1685284), (10, 842642), (20, 421321), (31, 271820), (62, 135910), (124, 67955), (155, 54364), (310, 27182), (620, 13591)]