89800660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 195345360

約数和(自身を除く): 105544700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1129, 1940, 2258, 3977, 4516, 5645, 7954, 11290, 15908, 19885, 22580, 39770, 46289, 79540, 92578, 109513, 185156, 219026, 231445, 438052, 462890, 547565, 925780, 1095130, 2190260, 4490033, 8980066, 17960132, 22450165, 44900330, 89800660]

約数ペア:

[(1, 89800660), (2, 44900330), (4, 22450165), (5, 17960132), (10, 8980066), (20, 4490033), (41, 2190260), (82, 1095130), (97, 925780), (164, 547565), (194, 462890), (205, 438052), (388, 231445), (410, 219026), (485, 185156), (820, 109513), (970, 92578), (1129, 79540), (1940, 46289), (2258, 39770), (3977, 22580), (4516, 19885), (5645, 15908), (7954, 11290)]