158984180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{28289}}^1$

素因数の和:28579

約数の個数: 24

約数和(自身を含む): 335066760

約数和(自身を除く): 176082580

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 28289, 56578, 113156, 141445, 282890, 565780, 7949209, 15898418, 31796836, 39746045, 79492090, 158984180]

約数ペア:

[(1, 158984180), (2, 79492090), (4, 39746045), (5, 31796836), (10, 15898418), (20, 7949209), (281, 565780), (562, 282890), (1124, 141445), (1405, 113156), (2810, 56578), (5620, 28289)]