8728760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3257}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 19938960

約数和(自身を除く): 11210200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3257, 6514, 13028, 16285, 26056, 32570, 65140, 130280, 218219, 436438, 872876, 1091095, 1745752, 2182190, 4364380, 8728760]

約数ペア:

[(1, 8728760), (2, 4364380), (4, 2182190), (5, 1745752), (8, 1091095), (10, 872876), (20, 436438), (40, 218219), (67, 130280), (134, 65140), (268, 32570), (335, 26056), (536, 16285), (670, 13028), (1340, 6514), (2680, 3257)]