89974820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{11933}}^1$

素因数の和:11984

約数の個数: 48

約数和(自身を含む): 210515760

約数和(自身を除く): 120540940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 11933, 23866, 47732, 59665, 119330, 155129, 238660, 310258, 346057, 620516, 692114, 775645, 1384228, 1551290, 1730285, 3102580, 3460570, 4498741, 6921140, 8997482, 17994964, 22493705, 44987410, 89974820]

約数ペア:

[(1, 89974820), (2, 44987410), (4, 22493705), (5, 17994964), (10, 8997482), (13, 6921140), (20, 4498741), (26, 3460570), (29, 3102580), (52, 1730285), (58, 1551290), (65, 1384228), (116, 775645), (130, 692114), (145, 620516), (260, 346057), (290, 310258), (377, 238660), (580, 155129), (754, 119330), (1508, 59665), (1885, 47732), (3770, 23866), (7540, 11933)]