28180610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 54172800

約数和(自身を除く): 25992190

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2089, 2698, 4178, 6745, 10445, 13490, 20890, 39691, 79382, 148319, 198455, 296638, 396910, 741595, 1483190, 2818061, 5636122, 14090305, 28180610]

約数ペア:

[(1, 28180610), (2, 14090305), (5, 5636122), (10, 2818061), (19, 1483190), (38, 741595), (71, 396910), (95, 296638), (142, 198455), (190, 148319), (355, 79382), (710, 39691), (1349, 20890), (2089, 13490), (2698, 10445), (4178, 6745)]