9990334820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2759761}}^1$

素因数の和:2759951

約数の個数: 24

約数和(自身を含む): 21095620728

約数和(自身を除く): 11105285908

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 2759761, 5519522, 11039044, 13798805, 27597610, 55195220, 499516741, 999033482, 1998066964, 2497583705, 4995167410, 9990334820]

約数ペア:

[(1, 9990334820), (2, 4995167410), (4, 2497583705), (5, 1998066964), (10, 999033482), (20, 499516741), (181, 55195220), (362, 27597610), (724, 13798805), (905, 11039044), (1810, 5519522), (3620, 2759761)]