2130996820

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{638023}}^1$

素因数の和:638199

約数の個数: 24

約数和(自身を含む): 4501897344

約数和(自身を除く): 2370900524

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 638023, 1276046, 2552092, 3190115, 6380230, 12760460, 106549841, 213099682, 426199364, 532749205, 1065498410, 2130996820]

約数ペア:

[(1, 2130996820), (2, 1065498410), (4, 532749205), (5, 426199364), (10, 213099682), (20, 106549841), (167, 12760460), (334, 6380230), (668, 3190115), (835, 2552092), (1670, 1276046), (3340, 638023)]