4898980

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 10330488

約数和(自身を除く): 5431508

約数列:

[1, 2, 4, 5, 10, 20, 397, 617, 794, 1234, 1588, 1985, 2468, 3085, 3970, 6170, 7940, 12340, 244949, 489898, 979796, 1224745, 2449490, 4898980]

約数ペア:

[(1, 4898980), (2, 2449490), (4, 1224745), (5, 979796), (10, 489898), (20, 244949), (397, 12340), (617, 7940), (794, 6170), (1234, 3970), (1588, 3085), (1985, 2468)]