89859580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22807}}^1$

素因数の和:23013

約数の個数: 24

約数和(自身を含む): 189671328

約数和(自身を除く): 99811748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 22807, 45614, 91228, 114035, 228070, 456140, 4492979, 8985958, 17971916, 22464895, 44929790, 89859580]

約数ペア:

[(1, 89859580), (2, 44929790), (4, 22464895), (5, 17971916), (10, 8985958), (20, 4492979), (197, 456140), (394, 228070), (788, 114035), (985, 91228), (1970, 45614), (3940, 22807)]