78635240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67789}}^1$

素因数の和:67829

約数の個数: 32

約数和(自身を含む): 183033000

約数和(自身を除く): 104397760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67789, 135578, 271156, 338945, 542312, 677890, 1355780, 1965881, 2711560, 3931762, 7863524, 9829405, 15727048, 19658810, 39317620, 78635240]

約数ペア:

[(1, 78635240), (2, 39317620), (4, 19658810), (5, 15727048), (8, 9829405), (10, 7863524), (20, 3931762), (29, 2711560), (40, 1965881), (58, 1355780), (116, 677890), (145, 542312), (232, 338945), (290, 271156), (580, 135578), (1160, 67789)]