85860980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{12301}}^1$

素因数の和:12659

約数の個数: 24

約数和(自身を含む): 180839400

約数和(自身を除く): 94978420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 12301, 24602, 49204, 61505, 123010, 246020, 4293049, 8586098, 17172196, 21465245, 42930490, 85860980]

約数ペア:

[(1, 85860980), (2, 42930490), (4, 21465245), (5, 17172196), (10, 8586098), (20, 4293049), (349, 246020), (698, 123010), (1396, 61505), (1745, 49204), (3490, 24602), (6980, 12301)]