28489280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5271

約数の個数: 56

約数和(自身を含む): 71844408

約数和(自身を除く): 43355128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5237, 5440, 10474, 20948, 26185, 41896, 52370, 83792, 89029, 104740, 167584, 178058, 209480, 335168, 356116, 418960, 445145, 712232, 837920, 890290, 1424464, 1675840, 1780580, 2848928, 3561160, 5697856, 7122320, 14244640, 28489280]

約数ペア:

[(1, 28489280), (2, 14244640), (4, 7122320), (5, 5697856), (8, 3561160), (10, 2848928), (16, 1780580), (17, 1675840), (20, 1424464), (32, 890290), (34, 837920), (40, 712232), (64, 445145), (68, 418960), (80, 356116), (85, 335168), (136, 209480), (160, 178058), (170, 167584), (272, 104740), (320, 89029), (340, 83792), (544, 52370), (680, 41896), (1088, 26185), (1360, 20948), (2720, 10474), (5237, 5440)]