25210875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 45527040

約数和(自身を除く): 20316165

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 79, 111, 115, 125, 185, 237, 345, 375, 395, 555, 575, 851, 925, 1185, 1725, 1817, 1975, 2553, 2775, 2875, 2923, 4255, 4625, 5451, 5925, 8625, 8769, 9085, 9875, 12765, 13875, 14615, 21275, 27255, 29625, 43845, 45425, 63825, 67229, 73075, 106375, 136275, 201687, 219225, 227125, 319125, 336145, 365375, 681375, 1008435, 1096125, 1680725, 5042175, 8403625, 25210875]

約数ペア:

[(1, 25210875), (3, 8403625), (5, 5042175), (15, 1680725), (23, 1096125), (25, 1008435), (37, 681375), (69, 365375), (75, 336145), (79, 319125), (111, 227125), (115, 219225), (125, 201687), (185, 136275), (237, 106375), (345, 73075), (375, 67229), (395, 63825), (555, 45425), (575, 43845), (851, 29625), (925, 27255), (1185, 21275), (1725, 14615), (1817, 13875), (1975, 12765), (2553, 9875), (2775, 9085), (2875, 8769), (2923, 8625), (4255, 5925), (4625, 5451)]