15936040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7517}}^1$

素因数の和:7581

約数の個数: 32

約数和(自身を含む): 36537480

約数和(自身を除く): 20601440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7517, 15034, 30068, 37585, 60136, 75170, 150340, 300680, 398401, 796802, 1593604, 1992005, 3187208, 3984010, 7968020, 15936040]

約数ペア:

[(1, 15936040), (2, 7968020), (4, 3984010), (5, 3187208), (8, 1992005), (10, 1593604), (20, 796802), (40, 398401), (53, 300680), (106, 150340), (212, 75170), (265, 60136), (424, 37585), (530, 30068), (1060, 15034), (2120, 7517)]