42125980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 101888640

約数和(自身を除く): 59762660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 37, 52, 58, 65, 74, 116, 130, 145, 148, 151, 185, 260, 290, 302, 370, 377, 481, 580, 604, 740, 754, 755, 962, 1073, 1508, 1510, 1885, 1924, 1963, 2146, 2405, 3020, 3770, 3926, 4292, 4379, 4810, 5365, 5587, 7540, 7852, 8758, 9620, 9815, 10730, 11174, 13949, 17516, 19630, 21460, 21895, 22348, 27898, 27935, 39260, 43790, 55796, 55870, 56927, 69745, 72631, 87580, 111740, 113854, 139490, 145262, 162023, 227708, 278980, 284635, 290524, 324046, 363155, 569270, 648092, 726310, 810115, 1138540, 1452620, 1620230, 2106299, 3240460, 4212598, 8425196, 10531495, 21062990, 42125980]

約数ペア:

[(1, 42125980), (2, 21062990), (4, 10531495), (5, 8425196), (10, 4212598), (13, 3240460), (20, 2106299), (26, 1620230), (29, 1452620), (37, 1138540), (52, 810115), (58, 726310), (65, 648092), (74, 569270), (116, 363155), (130, 324046), (145, 290524), (148, 284635), (151, 278980), (185, 227708), (260, 162023), (290, 145262), (302, 139490), (370, 113854), (377, 111740), (481, 87580), (580, 72631), (604, 69745), (740, 56927), (754, 55870), (755, 55796), (962, 43790), (1073, 39260), (1508, 27935), (1510, 27898), (1885, 22348), (1924, 21895), (1963, 21460), (2146, 19630), (2405, 17516), (3020, 13949), (3770, 11174), (3926, 10730), (4292, 9815), (4379, 9620), (4810, 8758), (5365, 7852), (5587, 7540)]