213025040

素因数分解:

$2^4\times 5^1\times {\mathrm{2662813}}^1$

素因数の和:2662826

約数の個数: 20

約数和(自身を含む): 495283404

約数和(自身を除く): 282258364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2662813, 5325626, 10651252, 13314065, 21302504, 26628130, 42605008, 53256260, 106512520, 213025040]

約数ペア:

[(1, 213025040), (2, 106512520), (4, 53256260), (5, 42605008), (8, 26628130), (10, 21302504), (16, 13314065), (20, 10651252), (40, 5325626), (80, 2662813)]