64868360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55921}}^1$

素因数の和:55961

約数の個数: 32

約数和(自身を含む): 150989400

約数和(自身を除く): 86121040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55921, 111842, 223684, 279605, 447368, 559210, 1118420, 1621709, 2236840, 3243418, 6486836, 8108545, 12973672, 16217090, 32434180, 64868360]

約数ペア:

[(1, 64868360), (2, 32434180), (4, 16217090), (5, 12973672), (8, 8108545), (10, 6486836), (20, 3243418), (29, 2236840), (40, 1621709), (58, 1118420), (116, 559210), (145, 447368), (232, 279605), (290, 223684), (580, 111842), (1160, 55921)]