811381660

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{31183}}^1$

素因数の和:32493

約数の個数: 24

約数和(自身を含む): 1705265856

約数和(自身を除く): 893884196

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 31183, 62366, 124732, 155915, 311830, 623660, 40569083, 81138166, 162276332, 202845415, 405690830, 811381660]

約数ペア:

[(1, 811381660), (2, 405690830), (4, 202845415), (5, 162276332), (10, 81138166), (20, 40569083), (1301, 623660), (2602, 311830), (5204, 155915), (6505, 124732), (13010, 62366), (26020, 31183)]