8090420

素因数分解:

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

素因数の和:117

約数の個数: 72

約数和(自身を含む): 19461624

約数和(自身を除く): 11371204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 37, 52, 58, 65, 74, 116, 130, 145, 148, 185, 260, 290, 370, 377, 481, 580, 740, 754, 841, 962, 1073, 1508, 1682, 1885, 1924, 2146, 2405, 3364, 3770, 4205, 4292, 4810, 5365, 7540, 8410, 9620, 10730, 10933, 13949, 16820, 21460, 21866, 27898, 31117, 43732, 54665, 55796, 62234, 69745, 109330, 124468, 139490, 155585, 218660, 278980, 311170, 404521, 622340, 809042, 1618084, 2022605, 4045210, 8090420]

約数ペア:

[(1, 8090420), (2, 4045210), (4, 2022605), (5, 1618084), (10, 809042), (13, 622340), (20, 404521), (26, 311170), (29, 278980), (37, 218660), (52, 155585), (58, 139490), (65, 124468), (74, 109330), (116, 69745), (130, 62234), (145, 55796), (148, 54665), (185, 43732), (260, 31117), (290, 27898), (370, 21866), (377, 21460), (481, 16820), (580, 13949), (740, 10933), (754, 10730), (841, 9620), (962, 8410), (1073, 7540), (1508, 5365), (1682, 4810), (1885, 4292), (1924, 4205), (2146, 3770), (2405, 3364)]