3220750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 6499584

約数和(自身を除く): 3278834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 991, 1625, 1982, 3250, 4955, 9910, 12883, 24775, 25766, 49550, 64415, 123875, 128830, 247750, 322075, 644150, 1610375, 3220750]

約数ペア:

[(1, 3220750), (2, 1610375), (5, 644150), (10, 322075), (13, 247750), (25, 128830), (26, 123875), (50, 64415), (65, 49550), (125, 25766), (130, 24775), (250, 12883), (325, 9910), (650, 4955), (991, 3250), (1625, 1982)]