78982780

素因数分解:

$2^2\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{2593}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 166036752

約数和(自身を除く): 87053972

約数列:

[1, 2, 4, 5, 10, 20, 1523, 2593, 3046, 5186, 6092, 7615, 10372, 12965, 15230, 25930, 30460, 51860, 3949139, 7898278, 15796556, 19745695, 39491390, 78982780]

約数ペア:

[(1, 78982780), (2, 39491390), (4, 19745695), (5, 15796556), (10, 7898278), (20, 3949139), (1523, 51860), (2593, 30460), (3046, 25930), (5186, 15230), (6092, 12965), (7615, 10372)]