74620760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13421}}^1$

素因数の和:13571

約数の個数: 32

約数和(自身を含む): 169117200

約数和(自身を除く): 94496440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13421, 26842, 53684, 67105, 107368, 134210, 268420, 536840, 1865519, 3731038, 7462076, 9327595, 14924152, 18655190, 37310380, 74620760]

約数ペア:

[(1, 74620760), (2, 37310380), (4, 18655190), (5, 14924152), (8, 9327595), (10, 7462076), (20, 3731038), (40, 1865519), (139, 536840), (278, 268420), (556, 134210), (695, 107368), (1112, 67105), (1390, 53684), (2780, 26842), (5560, 13421)]