102421720

素因数分解:

$2^3\times 5^1\times {\mathrm{2560543}}^1$

素因数の和:2560554

約数の個数: 16

約数和(自身を含む): 230448960

約数和(自身を除く): 128027240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2560543, 5121086, 10242172, 12802715, 20484344, 25605430, 51210860, 102421720]

約数ペア:

[(1, 102421720), (2, 51210860), (4, 25605430), (5, 20484344), (8, 12802715), (10, 10242172), (20, 5121086), (40, 2560543)]