121891760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{22741}}^1$

素因数の和:22821

約数の個数: 40

約数和(自身を含む): 287640816

約数和(自身を除く): 165749056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 22741, 45482, 90964, 113705, 181928, 227410, 363856, 454820, 909640, 1523647, 1819280, 3047294, 6094588, 7618235, 12189176, 15236470, 24378352, 30472940, 60945880, 121891760]

約数ペア:

[(1, 121891760), (2, 60945880), (4, 30472940), (5, 24378352), (8, 15236470), (10, 12189176), (16, 7618235), (20, 6094588), (40, 3047294), (67, 1819280), (80, 1523647), (134, 909640), (268, 454820), (335, 363856), (536, 227410), (670, 181928), (1072, 113705), (1340, 90964), (2680, 45482), (5360, 22741)]