85820860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 188899200

約数和(自身を除く): 103078340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 1873, 2291, 3746, 4582, 7492, 9164, 9365, 11455, 18730, 22910, 37460, 45820, 54317, 108634, 147967, 217268, 271585, 295934, 543170, 591868, 739835, 1086340, 1479670, 2959340, 4291043, 8582086, 17164172, 21455215, 42910430, 85820860]

約数ペア:

[(1, 85820860), (2, 42910430), (4, 21455215), (5, 17164172), (10, 8582086), (20, 4291043), (29, 2959340), (58, 1479670), (79, 1086340), (116, 739835), (145, 591868), (158, 543170), (290, 295934), (316, 271585), (395, 217268), (580, 147967), (790, 108634), (1580, 54317), (1873, 45820), (2291, 37460), (3746, 22910), (4582, 18730), (7492, 11455), (9164, 9365)]