40286680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143881}}^1$

素因数の和:143899

約数の個数: 32

約数和(自身を含む): 103595040

約数和(自身を除く): 63308360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143881, 287762, 575524, 719405, 1007167, 1151048, 1438810, 2014334, 2877620, 4028668, 5035835, 5755240, 8057336, 10071670, 20143340, 40286680]

約数ペア:

[(1, 40286680), (2, 20143340), (4, 10071670), (5, 8057336), (7, 5755240), (8, 5035835), (10, 4028668), (14, 2877620), (20, 2014334), (28, 1438810), (35, 1151048), (40, 1007167), (56, 719405), (70, 575524), (140, 287762), (280, 143881)]