78530840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67699}}^1$

素因数の和:67739

約数の個数: 32

約数和(自身を含む): 182790000

約数和(自身を除く): 104259160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67699, 135398, 270796, 338495, 541592, 676990, 1353980, 1963271, 2707960, 3926542, 7853084, 9816355, 15706168, 19632710, 39265420, 78530840]

約数ペア:

[(1, 78530840), (2, 39265420), (4, 19632710), (5, 15706168), (8, 9816355), (10, 7853084), (20, 3926542), (29, 2707960), (40, 1963271), (58, 1353980), (116, 676990), (145, 541592), (232, 338495), (290, 270796), (580, 135398), (1160, 67699)]