68643020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 149361408

約数和(自身を除く): 80718388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 863, 970, 1726, 1940, 3452, 3977, 4315, 7954, 8630, 15908, 17260, 19885, 35383, 39770, 70766, 79540, 83711, 141532, 167422, 176915, 334844, 353830, 418555, 707660, 837110, 1674220, 3432151, 6864302, 13728604, 17160755, 34321510, 68643020]

約数ペア:

[(1, 68643020), (2, 34321510), (4, 17160755), (5, 13728604), (10, 6864302), (20, 3432151), (41, 1674220), (82, 837110), (97, 707660), (164, 418555), (194, 353830), (205, 334844), (388, 176915), (410, 167422), (485, 141532), (820, 83711), (863, 79540), (970, 70766), (1726, 39770), (1940, 35383), (3452, 19885), (3977, 17260), (4315, 15908), (7954, 8630)]