68826875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 95257008

約数和(自身を除く): 26430133

約数列:

[1, 5, 13, 25, 43, 65, 125, 197, 215, 325, 559, 625, 985, 1075, 1625, 2561, 2795, 4925, 5375, 8125, 8471, 12805, 13975, 24625, 26875, 42355, 64025, 69875, 110123, 123125, 211775, 320125, 349375, 550615, 1058875, 1600625, 2753075, 5294375, 13765375, 68826875]

約数ペア:

[(1, 68826875), (5, 13765375), (13, 5294375), (25, 2753075), (43, 1600625), (65, 1058875), (125, 550615), (197, 349375), (215, 320125), (325, 211775), (559, 123125), (625, 110123), (985, 69875), (1075, 64025), (1625, 42355), (2561, 26875), (2795, 24625), (4925, 13975), (5375, 12805), (8125, 8471)]