42018125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 56981760

約数和(自身を除く): 14963635

約数列:

[1, 5, 23, 25, 37, 79, 115, 125, 185, 395, 575, 625, 851, 925, 1817, 1975, 2875, 2923, 4255, 4625, 9085, 9875, 14375, 14615, 21275, 23125, 45425, 49375, 67229, 73075, 106375, 227125, 336145, 365375, 531875, 1135625, 1680725, 1826875, 8403625, 42018125]

約数ペア:

[(1, 42018125), (5, 8403625), (23, 1826875), (25, 1680725), (37, 1135625), (79, 531875), (115, 365375), (125, 336145), (185, 227125), (395, 106375), (575, 73075), (625, 67229), (851, 49375), (925, 45425), (1817, 23125), (1975, 21275), (2875, 14615), (2923, 14375), (4255, 9875), (4625, 9085)]