80496080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143743}}^1$

素因数の和:143763

約数の個数: 40

約数和(自身を含む): 213891072

約数和(自身を除く): 133394992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143743, 287486, 574972, 718715, 1006201, 1149944, 1437430, 2012402, 2299888, 2874860, 4024804, 5031005, 5749720, 8049608, 10062010, 11499440, 16099216, 20124020, 40248040, 80496080]

約数ペア:

[(1, 80496080), (2, 40248040), (4, 20124020), (5, 16099216), (7, 11499440), (8, 10062010), (10, 8049608), (14, 5749720), (16, 5031005), (20, 4024804), (28, 2874860), (35, 2299888), (40, 2012402), (56, 1437430), (70, 1149944), (80, 1006201), (112, 718715), (140, 574972), (280, 287486), (560, 143743)]