20153750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:746

約数の個数: 40

約数和(自身を含む): 39474864

約数和(自身を除く): 19321114

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 701, 1150, 1250, 1402, 2875, 3505, 5750, 7010, 14375, 16123, 17525, 28750, 32246, 35050, 80615, 87625, 161230, 175250, 403075, 438125, 806150, 876250, 2015375, 4030750, 10076875, 20153750]

約数ペア:

[(1, 20153750), (2, 10076875), (5, 4030750), (10, 2015375), (23, 876250), (25, 806150), (46, 438125), (50, 403075), (115, 175250), (125, 161230), (230, 87625), (250, 80615), (575, 35050), (625, 32246), (701, 28750), (1150, 17525), (1250, 16123), (1402, 14375), (2875, 7010), (3505, 5750)]