2128536460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1195807}}^1$

素因数の和:1195905

約数の個数: 24

約数和(自身を含む): 4520154240

約数和(自身を除く): 2391617780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1195807, 2391614, 4783228, 5979035, 11958070, 23916140, 106426823, 212853646, 425707292, 532134115, 1064268230, 2128536460]

約数ペア:

[(1, 2128536460), (2, 1064268230), (4, 532134115), (5, 425707292), (10, 212853646), (20, 106426823), (89, 23916140), (178, 11958070), (356, 5979035), (445, 4783228), (890, 2391614), (1780, 1195807)]