64258125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:863

約数の個数: 40

約数和(自身を含む): 109689888

約数和(自身を除く): 45431763

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 797, 1075, 1875, 2391, 3225, 3985, 5375, 11955, 16125, 19925, 26875, 34271, 59775, 80625, 99625, 102813, 171355, 298875, 498125, 514065, 856775, 1494375, 2570325, 4283875, 12851625, 21419375, 64258125]

約数ペア:

[(1, 64258125), (3, 21419375), (5, 12851625), (15, 4283875), (25, 2570325), (43, 1494375), (75, 856775), (125, 514065), (129, 498125), (215, 298875), (375, 171355), (625, 102813), (645, 99625), (797, 80625), (1075, 59775), (1875, 34271), (2391, 26875), (3225, 19925), (3985, 16125), (5375, 11955)]