7833620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6421}}^1$

素因数の和:6491

約数の個数: 24

約数和(自身を含む): 16722888

約数和(自身を除く): 8889268

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6421, 12842, 25684, 32105, 64210, 128420, 391681, 783362, 1566724, 1958405, 3916810, 7833620]

約数ペア:

[(1, 7833620), (2, 3916810), (4, 1958405), (5, 1566724), (10, 783362), (20, 391681), (61, 128420), (122, 64210), (244, 32105), (305, 25684), (610, 12842), (1220, 6421)]