71980780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{53717}}^1$

素因数の和:53793

約数の個数: 24

約数和(自身を含む): 153418608

約数和(自身を除く): 81437828

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 53717, 107434, 214868, 268585, 537170, 1074340, 3599039, 7198078, 14396156, 17995195, 35990390, 71980780]

約数ペア:

[(1, 71980780), (2, 35990390), (4, 17995195), (5, 14396156), (10, 7198078), (20, 3599039), (67, 1074340), (134, 537170), (268, 268585), (335, 214868), (670, 107434), (1340, 53717)]