79442900

素因数分解:

$2^2\times 5^2\times {\mathrm{631}}^1\times {\mathrm{1259}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 172801440

約数和(自身を除く): 93358540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 631, 1259, 1262, 2518, 2524, 3155, 5036, 6295, 6310, 12590, 12620, 15775, 25180, 31475, 31550, 62950, 63100, 125900, 794429, 1588858, 3177716, 3972145, 7944290, 15888580, 19860725, 39721450, 79442900]

約数ペア:

[(1, 79442900), (2, 39721450), (4, 19860725), (5, 15888580), (10, 7944290), (20, 3972145), (25, 3177716), (50, 1588858), (100, 794429), (631, 125900), (1259, 63100), (1262, 62950), (2518, 31550), (2524, 31475), (3155, 25180), (5036, 15775), (6295, 12620), (6310, 12590)]