40090180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 94537800

約数和(自身を除く): 54447620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 409, 580, 676, 754, 818, 845, 1508, 1636, 1690, 1885, 2045, 3380, 3770, 4090, 4901, 5317, 7540, 8180, 9802, 10634, 11861, 19604, 21268, 23722, 24505, 26585, 47444, 49010, 53170, 59305, 69121, 98020, 106340, 118610, 138242, 154193, 237220, 276484, 308386, 345605, 616772, 691210, 770965, 1382420, 1541930, 2004509, 3083860, 4009018, 8018036, 10022545, 20045090, 40090180]

約数ペア:

[(1, 40090180), (2, 20045090), (4, 10022545), (5, 8018036), (10, 4009018), (13, 3083860), (20, 2004509), (26, 1541930), (29, 1382420), (52, 770965), (58, 691210), (65, 616772), (116, 345605), (130, 308386), (145, 276484), (169, 237220), (260, 154193), (290, 138242), (338, 118610), (377, 106340), (409, 98020), (580, 69121), (676, 59305), (754, 53170), (818, 49010), (845, 47444), (1508, 26585), (1636, 24505), (1690, 23722), (1885, 21268), (2045, 19604), (3380, 11861), (3770, 10634), (4090, 9802), (4901, 8180), (5317, 7540)]