1606420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 3483648

約数和(自身を除く): 1877228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2591, 5182, 10364, 12955, 25910, 51820, 80321, 160642, 321284, 401605, 803210, 1606420]

約数ペア:

[(1, 1606420), (2, 803210), (4, 401605), (5, 321284), (10, 160642), (20, 80321), (31, 51820), (62, 25910), (124, 12955), (155, 10364), (310, 5182), (620, 2591)]