77345680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23581}}^1$

素因数の和:23635

約数の個数: 40

約数和(自身を含む): 184222584

約数和(自身を除く): 106876904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 23581, 47162, 94324, 117905, 188648, 235810, 377296, 471620, 943240, 966821, 1886480, 1933642, 3867284, 4834105, 7734568, 9668210, 15469136, 19336420, 38672840, 77345680]

約数ペア:

[(1, 77345680), (2, 38672840), (4, 19336420), (5, 15469136), (8, 9668210), (10, 7734568), (16, 4834105), (20, 3867284), (40, 1933642), (41, 1886480), (80, 966821), (82, 943240), (164, 471620), (205, 377296), (328, 235810), (410, 188648), (656, 117905), (820, 94324), (1640, 47162), (3280, 23581)]