655705060

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{33083}}^1$

素因数の和:34083

約数の個数: 24

約数和(自身を含む): 1378411776

約数和(自身を除く): 722706716

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 33083, 66166, 132332, 165415, 330830, 661660, 32785253, 65570506, 131141012, 163926265, 327852530, 655705060]

約数ペア:

[(1, 655705060), (2, 327852530), (4, 163926265), (5, 131141012), (10, 65570506), (20, 32785253), (991, 661660), (1982, 330830), (3964, 165415), (4955, 132332), (9910, 66166), (19820, 33083)]