11964980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2129}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 25227720

約数和(自身を除く): 13262740

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2129, 2810, 4258, 5620, 8516, 10645, 21290, 42580, 598249, 1196498, 2392996, 2991245, 5982490, 11964980]

約数ペア:

[(1, 11964980), (2, 5982490), (4, 2991245), (5, 2392996), (10, 1196498), (20, 598249), (281, 42580), (562, 21290), (1124, 10645), (1405, 8516), (2129, 5620), (2810, 4258)]