28210005580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45500009}}^1$

素因数の和:45500049

約数の個数: 24

約数和(自身を含む): 61152013440

約数和(自身を除く): 32942007860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45500009, 91000018, 182000036, 227500045, 455000090, 910000180, 1410500279, 2821000558, 5642001116, 7052501395, 14105002790, 28210005580]

約数ペア:

[(1, 28210005580), (2, 14105002790), (4, 7052501395), (5, 5642001116), (10, 2821000558), (20, 1410500279), (31, 910000180), (62, 455000090), (124, 227500045), (155, 182000036), (310, 91000018), (620, 45500009)]