129216875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 172069920

約数和(自身を除く): 42853045

約数列:

[1, 5, 23, 25, 89, 101, 115, 125, 445, 505, 575, 625, 2047, 2225, 2323, 2525, 2875, 8989, 10235, 11125, 11615, 12625, 14375, 44945, 51175, 55625, 58075, 63125, 206747, 224725, 255875, 290375, 1033735, 1123625, 1279375, 1451875, 5168675, 5618125, 25843375, 129216875]

約数ペア:

[(1, 129216875), (5, 25843375), (23, 5618125), (25, 5168675), (89, 1451875), (101, 1279375), (115, 1123625), (125, 1033735), (445, 290375), (505, 255875), (575, 224725), (625, 206747), (2047, 63125), (2225, 58075), (2323, 55625), (2525, 51175), (2875, 44945), (8989, 14375), (10235, 12625), (11125, 11615)]