1294408090

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{160001}}^1$

素因数の和:160817

約数の個数: 16

約数和(自身を含む): 2332829160

約数和(自身を除く): 1038421070

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 160001, 320002, 800005, 1600010, 129440809, 258881618, 647204045, 1294408090]

約数ペア:

[(1, 1294408090), (2, 647204045), (5, 258881618), (10, 129440809), (809, 1600010), (1618, 800005), (4045, 320002), (8090, 160001)]