388652080

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{6173}}^1$

素因数の和:6973

約数の個数: 40

約数和(自身を含む): 904910832

約数和(自身を除く): 516258752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3935, 6173, 6296, 7870, 12346, 12592, 15740, 24692, 30865, 31480, 49384, 61730, 62960, 98768, 123460, 246920, 493840, 4858151, 9716302, 19432604, 24290755, 38865208, 48581510, 77730416, 97163020, 194326040, 388652080]

約数ペア:

[(1, 388652080), (2, 194326040), (4, 97163020), (5, 77730416), (8, 48581510), (10, 38865208), (16, 24290755), (20, 19432604), (40, 9716302), (80, 4858151), (787, 493840), (1574, 246920), (3148, 123460), (3935, 98768), (6173, 62960), (6296, 61730), (7870, 49384), (12346, 31480), (12592, 30865), (15740, 24692)]