72644080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13553}}^1$

素因数の和:13633

約数の個数: 40

約数和(自身を含む): 171430992

約数和(自身を除く): 98786912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 13553, 27106, 54212, 67765, 108424, 135530, 216848, 271060, 542120, 908051, 1084240, 1816102, 3632204, 4540255, 7264408, 9080510, 14528816, 18161020, 36322040, 72644080]

約数ペア:

[(1, 72644080), (2, 36322040), (4, 18161020), (5, 14528816), (8, 9080510), (10, 7264408), (16, 4540255), (20, 3632204), (40, 1816102), (67, 1084240), (80, 908051), (134, 542120), (268, 271060), (335, 216848), (536, 135530), (670, 108424), (1072, 67765), (1340, 54212), (2680, 27106), (5360, 13553)]