91008880

素因数分解:

$2^4\times 5^1\times {\mathrm{1137611}}^1$

素因数の和:1137624

約数の個数: 20

約数和(自身を含む): 211595832

約数和(自身を除く): 120586952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1137611, 2275222, 4550444, 5688055, 9100888, 11376110, 18201776, 22752220, 45504440, 91008880]

約数ペア:

[(1, 91008880), (2, 45504440), (4, 22752220), (5, 18201776), (8, 11376110), (10, 9100888), (16, 5688055), (20, 4550444), (40, 2275222), (80, 1137611)]