28693520

素因数分解:

$2^4\times 5^1\times {\mathrm{358669}}^1$

素因数の和:358682

約数の個数: 20

約数和(自身を含む): 66712620

約数和(自身を除く): 38019100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358669, 717338, 1434676, 1793345, 2869352, 3586690, 5738704, 7173380, 14346760, 28693520]

約数ペア:

[(1, 28693520), (2, 14346760), (4, 7173380), (5, 5738704), (8, 3586690), (10, 2869352), (16, 1793345), (20, 1434676), (40, 717338), (80, 358669)]