42073820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 92467200

約数和(自身を除く): 50393380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 859, 1580, 1718, 2449, 3436, 4295, 4898, 8590, 9796, 12245, 17180, 24490, 26629, 48980, 53258, 67861, 106516, 133145, 135722, 266290, 271444, 339305, 532580, 678610, 1357220, 2103691, 4207382, 8414764, 10518455, 21036910, 42073820]

約数ペア:

[(1, 42073820), (2, 21036910), (4, 10518455), (5, 8414764), (10, 4207382), (20, 2103691), (31, 1357220), (62, 678610), (79, 532580), (124, 339305), (155, 271444), (158, 266290), (310, 135722), (316, 133145), (395, 106516), (620, 67861), (790, 53258), (859, 48980), (1580, 26629), (1718, 24490), (2449, 17180), (3436, 12245), (4295, 9796), (4898, 8590)]