3212840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 7464960

約数和(自身を除く): 4252120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2591, 5182, 10364, 12955, 20728, 25910, 51820, 80321, 103640, 160642, 321284, 401605, 642568, 803210, 1606420, 3212840]

約数ペア:

[(1, 3212840), (2, 1606420), (4, 803210), (5, 642568), (8, 401605), (10, 321284), (20, 160642), (31, 103640), (40, 80321), (62, 51820), (124, 25910), (155, 20728), (248, 12955), (310, 10364), (620, 5182), (1240, 2591)]