72109420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{53813}}^1$

素因数の和:53889

約数の個数: 24

約数和(自身を含む): 153692784

約数和(自身を除く): 81583364

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 53813, 107626, 215252, 269065, 538130, 1076260, 3605471, 7210942, 14421884, 18027355, 36054710, 72109420]

約数ペア:

[(1, 72109420), (2, 36054710), (4, 18027355), (5, 14421884), (10, 7210942), (20, 3605471), (67, 1076260), (134, 538130), (268, 269065), (335, 215252), (670, 107626), (1340, 53813)]