805156760

素因数分解:

$2^3\times 5^1\times {\mathrm{4373}}^1\times {\mathrm{4603}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 1812410640

約数和(自身を除く): 1007253880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4373, 4603, 8746, 9206, 17492, 18412, 21865, 23015, 34984, 36824, 43730, 46030, 87460, 92060, 174920, 184120, 20128919, 40257838, 80515676, 100644595, 161031352, 201289190, 402578380, 805156760]

約数ペア:

[(1, 805156760), (2, 402578380), (4, 201289190), (5, 161031352), (8, 100644595), (10, 80515676), (20, 40257838), (40, 20128919), (4373, 184120), (4603, 174920), (8746, 92060), (9206, 87460), (17492, 46030), (18412, 43730), (21865, 36824), (23015, 34984)]