78680050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{19919}}^1$

素因数の和:20010

約数の個数: 24

約数和(自身を含む): 148204800

約数和(自身を除く): 69524750

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 19919, 39838, 99595, 199190, 497975, 995950, 1573601, 3147202, 7868005, 15736010, 39340025, 78680050]

約数ペア:

[(1, 78680050), (2, 39340025), (5, 15736010), (10, 7868005), (25, 3147202), (50, 1573601), (79, 995950), (158, 497975), (395, 199190), (790, 99595), (1975, 39838), (3950, 19919)]