8208156760

素因数分解:

$2^3\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{69821}}^1$

素因数の和:72771

約数の個数: 32

約数和(自身を含む): 18474901200

約数和(自身を除く): 10266744440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2939, 5878, 11756, 14695, 23512, 29390, 58780, 69821, 117560, 139642, 279284, 349105, 558568, 698210, 1396420, 2792840, 205203919, 410407838, 820815676, 1026019595, 1641631352, 2052039190, 4104078380, 8208156760]

約数ペア:

[(1, 8208156760), (2, 4104078380), (4, 2052039190), (5, 1641631352), (8, 1026019595), (10, 820815676), (20, 410407838), (40, 205203919), (2939, 2792840), (5878, 1396420), (11756, 698210), (14695, 558568), (23512, 349105), (29390, 279284), (58780, 139642), (69821, 117560)]