6425680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2635

約数の個数: 40

約数和(自身を含む): 15427584

約数和(自身を除く): 9001904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 2591, 5182, 10364, 12955, 20728, 25910, 41456, 51820, 80321, 103640, 160642, 207280, 321284, 401605, 642568, 803210, 1285136, 1606420, 3212840, 6425680]

約数ペア:

[(1, 6425680), (2, 3212840), (4, 1606420), (5, 1285136), (8, 803210), (10, 642568), (16, 401605), (20, 321284), (31, 207280), (40, 160642), (62, 103640), (80, 80321), (124, 51820), (155, 41456), (248, 25910), (310, 20728), (496, 12955), (620, 10364), (1240, 5182), (2480, 2591)]