179980760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{67157}}^1$

素因数の和:67235

約数の個数: 32

約数和(自身を含む): 411006960

約数和(自身を除く): 231026200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 67157, 134314, 268628, 335785, 537256, 671570, 1343140, 2686280, 4499519, 8999038, 17998076, 22497595, 35996152, 44995190, 89990380, 179980760]

約数ペア:

[(1, 179980760), (2, 89990380), (4, 44995190), (5, 35996152), (8, 22497595), (10, 17998076), (20, 8999038), (40, 4499519), (67, 2686280), (134, 1343140), (268, 671570), (335, 537256), (536, 335785), (670, 268628), (1340, 134314), (2680, 67157)]