78193520

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1549}}^1$

素因数の和:2193

約数の個数: 40

約数和(自身を含む): 182205600

約数和(自身を除く): 104012080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 1549, 2524, 3098, 3155, 5048, 6196, 6310, 7745, 10096, 12392, 12620, 15490, 24784, 25240, 30980, 50480, 61960, 123920, 977419, 1954838, 3909676, 4887095, 7819352, 9774190, 15638704, 19548380, 39096760, 78193520]

約数ペア:

[(1, 78193520), (2, 39096760), (4, 19548380), (5, 15638704), (8, 9774190), (10, 7819352), (16, 4887095), (20, 3909676), (40, 1954838), (80, 977419), (631, 123920), (1262, 61960), (1549, 50480), (2524, 30980), (3098, 25240), (3155, 24784), (5048, 15490), (6196, 12620), (6310, 12392), (7745, 10096)]