51695625

素因数分解:

$3^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 87472000

約数和(自身を除く): 35776375

約数列:

[1, 3, 5, 15, 25, 75, 79, 125, 237, 349, 375, 395, 625, 1047, 1185, 1745, 1875, 1975, 5235, 5925, 8725, 9875, 26175, 27571, 29625, 43625, 49375, 82713, 130875, 137855, 148125, 218125, 413565, 654375, 689275, 2067825, 3446375, 10339125, 17231875, 51695625]

約数ペア:

[(1, 51695625), (3, 17231875), (5, 10339125), (15, 3446375), (25, 2067825), (75, 689275), (79, 654375), (125, 413565), (237, 218125), (349, 148125), (375, 137855), (395, 130875), (625, 82713), (1047, 49375), (1185, 43625), (1745, 29625), (1875, 27571), (1975, 26175), (5235, 9875), (5925, 8725)]