67656875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 99455664

約数和(自身を除く): 31798789

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 715, 757, 1375, 1625, 3575, 3785, 6875, 8125, 8327, 9841, 17875, 18925, 41635, 49205, 89375, 94625, 108251, 208175, 246025, 473125, 541255, 1040875, 1230125, 2706275, 5204375, 6150625, 13531375, 67656875]

約数ペア:

[(1, 67656875), (5, 13531375), (11, 6150625), (13, 5204375), (25, 2706275), (55, 1230125), (65, 1040875), (125, 541255), (143, 473125), (275, 246025), (325, 208175), (625, 108251), (715, 94625), (757, 89375), (1375, 49205), (1625, 41635), (3575, 18925), (3785, 17875), (6875, 9841), (8125, 8327)]