55322480

素因数分解:

$2^4\times 5^1\times {\mathrm{691531}}^1$

素因数の和:691544

約数の個数: 20

約数和(自身を含む): 128624952

約数和(自身を除く): 73302472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691531, 1383062, 2766124, 3457655, 5532248, 6915310, 11064496, 13830620, 27661240, 55322480]

約数ペア:

[(1, 55322480), (2, 27661240), (4, 13830620), (5, 11064496), (8, 6915310), (10, 5532248), (16, 3457655), (20, 2766124), (40, 1383062), (80, 691531)]