40453720

素因数分解:

$2^3\times 5^1\times {\mathrm{1011343}}^1$

素因数の和:1011354

約数の個数: 16

約数和(自身を含む): 91020960

約数和(自身を除く): 50567240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1011343, 2022686, 4045372, 5056715, 8090744, 10113430, 20226860, 40453720]

約数ペア:

[(1, 40453720), (2, 20226860), (4, 10113430), (5, 8090744), (8, 5056715), (10, 4045372), (20, 2022686), (40, 1011343)]