72522440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44221}}^1$

素因数の和:44273

約数の個数: 32

約数和(自身を含む): 167159160

約数和(自身を除く): 94636720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44221, 88442, 176884, 221105, 353768, 442210, 884420, 1768840, 1813061, 3626122, 7252244, 9065305, 14504488, 18130610, 36261220, 72522440]

約数ペア:

[(1, 72522440), (2, 36261220), (4, 18130610), (5, 14504488), (8, 9065305), (10, 7252244), (20, 3626122), (40, 1813061), (41, 1768840), (82, 884420), (164, 442210), (205, 353768), (328, 221105), (410, 176884), (820, 88442), (1640, 44221)]