1880864080

素因数分解:

$2^4\times 5^1\times {\mathrm{23510801}}^1$

素因数の和:23510814

約数の個数: 20

約数和(自身を含む): 4373009172

約数和(自身を除く): 2492145092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23510801, 47021602, 94043204, 117554005, 188086408, 235108010, 376172816, 470216020, 940432040, 1880864080]

約数ペア:

[(1, 1880864080), (2, 940432040), (4, 470216020), (5, 376172816), (8, 235108010), (10, 188086408), (16, 117554005), (20, 94043204), (40, 47021602), (80, 23510801)]