78975940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39097}}^1$

素因数の和:39207

約数の個数: 24

約数和(自身を含む): 167495832

約数和(自身を除く): 88519892

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39097, 78194, 156388, 195485, 390970, 781940, 3948797, 7897594, 15795188, 19743985, 39487970, 78975940]

約数ペア:

[(1, 78975940), (2, 39487970), (4, 19743985), (5, 15795188), (10, 7897594), (20, 3948797), (101, 781940), (202, 390970), (404, 195485), (505, 156388), (1010, 78194), (2020, 39097)]