25120120

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1657}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 56703600

約数和(自身を除く): 31583480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1657, 1895, 3032, 3314, 3790, 6628, 7580, 8285, 13256, 15160, 16570, 33140, 66280, 628003, 1256006, 2512012, 3140015, 5024024, 6280030, 12560060, 25120120]

約数ペア:

[(1, 25120120), (2, 12560060), (4, 6280030), (5, 5024024), (8, 3140015), (10, 2512012), (20, 1256006), (40, 628003), (379, 66280), (758, 33140), (1516, 16570), (1657, 15160), (1895, 13256), (3032, 8285), (3314, 7580), (3790, 6628)]