215462320

素因数分解:

$2^4\times 5^1\times {\mathrm{2693279}}^1$

素因数の和:2693292

約数の個数: 20

約数和(自身を含む): 500950080

約数和(自身を除く): 285487760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2693279, 5386558, 10773116, 13466395, 21546232, 26932790, 43092464, 53865580, 107731160, 215462320]

約数ペア:

[(1, 215462320), (2, 107731160), (4, 53865580), (5, 43092464), (8, 26932790), (10, 21546232), (16, 13466395), (20, 10773116), (40, 5386558), (80, 2693279)]