129703360

素因数分解:

$2^6\times 5^1\times {\mathrm{405323}}^1$

素因数の和:405340

約数の個数: 28

約数和(自身を含む): 308856888

約数和(自身を除く): 179153528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 405323, 810646, 1621292, 2026615, 3242584, 4053230, 6485168, 8106460, 12970336, 16212920, 25940672, 32425840, 64851680, 129703360]

約数ペア:

[(1, 129703360), (2, 64851680), (4, 32425840), (5, 25940672), (8, 16212920), (10, 12970336), (16, 8106460), (20, 6485168), (32, 4053230), (40, 3242584), (64, 2026615), (80, 1621292), (160, 810646), (320, 405323)]