87180460

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{24083}}^1$

素因数の和:24273

約数の個数: 24

約数和(自身を含む): 184098096

約数和(自身を除く): 96917636

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 24083, 48166, 96332, 120415, 240830, 481660, 4359023, 8718046, 17436092, 21795115, 43590230, 87180460]

約数ペア:

[(1, 87180460), (2, 43590230), (4, 21795115), (5, 17436092), (10, 8718046), (20, 4359023), (181, 481660), (362, 240830), (724, 120415), (905, 96332), (1810, 48166), (3620, 24083)]