221065360

素因数分解:

$2^4\times 5^1\times {\mathrm{2763317}}^1$

素因数の和:2763330

約数の個数: 20

約数和(自身を含む): 513977148

約数和(自身を除く): 292911788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2763317, 5526634, 11053268, 13816585, 22106536, 27633170, 44213072, 55266340, 110532680, 221065360]

約数ペア:

[(1, 221065360), (2, 110532680), (4, 55266340), (5, 44213072), (8, 27633170), (10, 22106536), (16, 13816585), (20, 11053268), (40, 5526634), (80, 2763317)]