16331240

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{733}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 36861480

約数和(自身を除く): 20530240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 733, 1114, 1466, 2228, 2785, 2932, 3665, 4456, 5570, 5864, 7330, 11140, 14660, 22280, 29320, 408281, 816562, 1633124, 2041405, 3266248, 4082810, 8165620, 16331240]

約数ペア:

[(1, 16331240), (2, 8165620), (4, 4082810), (5, 3266248), (8, 2041405), (10, 1633124), (20, 816562), (40, 408281), (557, 29320), (733, 22280), (1114, 14660), (1466, 11140), (2228, 7330), (2785, 5864), (2932, 5570), (3665, 4456)]