40284440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143873}}^1$

素因数の和:143891

約数の個数: 32

約数和(自身を含む): 103589280

約数和(自身を除く): 63304840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143873, 287746, 575492, 719365, 1007111, 1150984, 1438730, 2014222, 2877460, 4028444, 5035555, 5754920, 8056888, 10071110, 20142220, 40284440]

約数ペア:

[(1, 40284440), (2, 20142220), (4, 10071110), (5, 8056888), (7, 5754920), (8, 5035555), (10, 4028444), (14, 2877460), (20, 2014222), (28, 1438730), (35, 1150984), (40, 1007111), (56, 719365), (70, 575492), (140, 287746), (280, 143873)]