81837642940

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1087}}^1\times {\mathrm{3853}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 172237911552

約数和(自身を除く): 90400268612

約数列:

[1, 2, 4, 5, 10, 20, 977, 1087, 1954, 2174, 3853, 3908, 4348, 4885, 5435, 7706, 9770, 10870, 15412, 19265, 19540, 21740, 38530, 77060, 1061999, 2123998, 3764381, 4188211, 4247996, 5309995, 7528762, 8376422, 10619990, 15057524, 16752844, 18821905, 20941055, 21239980, 37643810, 41882110, 75287620, 83764220, 4091882147, 8183764294, 16367528588, 20459410735, 40918821470, 81837642940]

約数ペア:

[(1, 81837642940), (2, 40918821470), (4, 20459410735), (5, 16367528588), (10, 8183764294), (20, 4091882147), (977, 83764220), (1087, 75287620), (1954, 41882110), (2174, 37643810), (3853, 21239980), (3908, 20941055), (4348, 18821905), (4885, 16752844), (5435, 15057524), (7706, 10619990), (9770, 8376422), (10870, 7528762), (15412, 5309995), (19265, 4247996), (19540, 4188211), (21740, 3764381), (38530, 2123998), (77060, 1061999)]