10508125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 40

約数和(自身を含む): 14845248

約数和(自身を除く): 4337123

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 125, 215, 391, 425, 575, 625, 731, 989, 1075, 1955, 2125, 2875, 3655, 4945, 5375, 9775, 10625, 14375, 16813, 18275, 24725, 26875, 48875, 84065, 91375, 123625, 244375, 420325, 456875, 618125, 2101625, 10508125]

約数ペア:

[(1, 10508125), (5, 2101625), (17, 618125), (23, 456875), (25, 420325), (43, 244375), (85, 123625), (115, 91375), (125, 84065), (215, 48875), (391, 26875), (425, 24725), (575, 18275), (625, 16813), (731, 14375), (989, 10625), (1075, 9775), (1955, 5375), (2125, 4945), (2875, 3655)]