66730322440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40689221}}^1$

素因数の和:40689273

約数の個数: 32

約数和(自身を含む): 153805259160

約数和(自身を除く): 87074936720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40689221, 81378442, 162756884, 203446105, 325513768, 406892210, 813784420, 1627568840, 1668258061, 3336516122, 6673032244, 8341290305, 13346064488, 16682580610, 33365161220, 66730322440]

約数ペア:

[(1, 66730322440), (2, 33365161220), (4, 16682580610), (5, 13346064488), (8, 8341290305), (10, 6673032244), (20, 3336516122), (40, 1668258061), (41, 1627568840), (82, 813784420), (164, 406892210), (205, 325513768), (328, 203446105), (410, 162756884), (820, 81378442), (1640, 40689221)]