19750360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70537}}^1$

素因数の和:70555

約数の個数: 32

約数和(自身を含む): 50787360

約数和(自身を除く): 31037000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70537, 141074, 282148, 352685, 493759, 564296, 705370, 987518, 1410740, 1975036, 2468795, 2821480, 3950072, 4937590, 9875180, 19750360]

約数ペア:

[(1, 19750360), (2, 9875180), (4, 4937590), (5, 3950072), (7, 2821480), (8, 2468795), (10, 1975036), (14, 1410740), (20, 987518), (28, 705370), (35, 564296), (40, 493759), (56, 352685), (70, 282148), (140, 141074), (280, 70537)]