64623940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{170063}}^1$

素因数の和:170091

約数の個数: 24

約数和(自身を含む): 142853760

約数和(自身を除く): 78229820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 170063, 340126, 680252, 850315, 1700630, 3231197, 3401260, 6462394, 12924788, 16155985, 32311970, 64623940]

約数ペア:

[(1, 64623940), (2, 32311970), (4, 16155985), (5, 12924788), (10, 6462394), (19, 3401260), (20, 3231197), (38, 1700630), (76, 850315), (95, 680252), (190, 340126), (380, 170063)]