87306460

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22159}}^1$

素因数の和:22365

約数の個数: 24

約数和(自身を含む): 184282560

約数和(自身を除く): 96976100

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 22159, 44318, 88636, 110795, 221590, 443180, 4365323, 8730646, 17461292, 21826615, 43653230, 87306460]

約数ペア:

[(1, 87306460), (2, 43653230), (4, 21826615), (5, 17461292), (10, 8730646), (20, 4365323), (197, 443180), (394, 221590), (788, 110795), (985, 88636), (1970, 44318), (3940, 22159)]