78906680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68023}}^1$

素因数の和:68063

約数の個数: 32

約数和(自身を含む): 183664800

約数和(自身を除く): 104758120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 68023, 136046, 272092, 340115, 544184, 680230, 1360460, 1972667, 2720920, 3945334, 7890668, 9863335, 15781336, 19726670, 39453340, 78906680]

約数ペア:

[(1, 78906680), (2, 39453340), (4, 19726670), (5, 15781336), (8, 9863335), (10, 7890668), (20, 3945334), (29, 2720920), (40, 1972667), (58, 1360460), (116, 680230), (145, 544184), (232, 340115), (290, 272092), (580, 136046), (1160, 68023)]