2108556440

素因数分解:

$2^3\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{31063}}^1$

素因数の和:32771

約数の個数: 32

約数和(自身を含む): 4747200480

約数和(自身を除く): 2638644040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1697, 3394, 6788, 8485, 13576, 16970, 31063, 33940, 62126, 67880, 124252, 155315, 248504, 310630, 621260, 1242520, 52713911, 105427822, 210855644, 263569555, 421711288, 527139110, 1054278220, 2108556440]

約数ペア:

[(1, 2108556440), (2, 1054278220), (4, 527139110), (5, 421711288), (8, 263569555), (10, 210855644), (20, 105427822), (40, 52713911), (1697, 1242520), (3394, 621260), (6788, 310630), (8485, 248504), (13576, 155315), (16970, 124252), (31063, 67880), (33940, 62126)]