11197880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2137}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 25399440

約数和(自身を除く): 14201560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2137, 2620, 4274, 5240, 8548, 10685, 17096, 21370, 42740, 85480, 279947, 559894, 1119788, 1399735, 2239576, 2799470, 5598940, 11197880]

約数ペア:

[(1, 11197880), (2, 5598940), (4, 2799470), (5, 2239576), (8, 1399735), (10, 1119788), (20, 559894), (40, 279947), (131, 85480), (262, 42740), (524, 21370), (655, 17096), (1048, 10685), (1310, 8548), (2137, 5240), (2620, 4274)]