23112500

素因数分解:

$2^2\times 5^5\times {\mathrm{43}}^2$

素因数の和:115

約数の個数: 54

約数和(自身を含む): 51758406

約数和(自身を除く): 28645906

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 625, 860, 1075, 1250, 1849, 2150, 2500, 3125, 3698, 4300, 5375, 6250, 7396, 9245, 10750, 12500, 18490, 21500, 26875, 36980, 46225, 53750, 92450, 107500, 134375, 184900, 231125, 268750, 462250, 537500, 924500, 1155625, 2311250, 4622500, 5778125, 11556250, 23112500]

約数ペア:

[(1, 23112500), (2, 11556250), (4, 5778125), (5, 4622500), (10, 2311250), (20, 1155625), (25, 924500), (43, 537500), (50, 462250), (86, 268750), (100, 231125), (125, 184900), (172, 134375), (215, 107500), (250, 92450), (430, 53750), (500, 46225), (625, 36980), (860, 26875), (1075, 21500), (1250, 18490), (1849, 12500), (2150, 10750), (2500, 9245), (3125, 7396), (3698, 6250), (4300, 5375)]