27797920

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2533

約数の個数: 48

約数和(自身を含む): 66624768

約数和(自身を除く): 38826848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2447, 2840, 4894, 5680, 9788, 11360, 12235, 19576, 24470, 39152, 48940, 78304, 97880, 173737, 195760, 347474, 391520, 694948, 868685, 1389896, 1737370, 2779792, 3474740, 5559584, 6949480, 13898960, 27797920]

約数ペア:

[(1, 27797920), (2, 13898960), (4, 6949480), (5, 5559584), (8, 3474740), (10, 2779792), (16, 1737370), (20, 1389896), (32, 868685), (40, 694948), (71, 391520), (80, 347474), (142, 195760), (160, 173737), (284, 97880), (355, 78304), (568, 48940), (710, 39152), (1136, 24470), (1420, 19576), (2272, 12235), (2447, 11360), (2840, 9788), (4894, 5680)]