26891080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 38427320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 863, 1558, 1640, 1726, 3116, 3452, 3895, 4315, 6232, 6904, 7790, 8630, 15580, 16397, 17260, 31160, 32794, 34520, 35383, 65588, 70766, 81985, 131176, 141532, 163970, 176915, 283064, 327940, 353830, 655880, 672277, 707660, 1344554, 1415320, 2689108, 3361385, 5378216, 6722770, 13445540, 26891080]

約数ペア:

[(1, 26891080), (2, 13445540), (4, 6722770), (5, 5378216), (8, 3361385), (10, 2689108), (19, 1415320), (20, 1344554), (38, 707660), (40, 672277), (41, 655880), (76, 353830), (82, 327940), (95, 283064), (152, 176915), (164, 163970), (190, 141532), (205, 131176), (328, 81985), (380, 70766), (410, 65588), (760, 35383), (779, 34520), (820, 32794), (863, 31160), (1558, 17260), (1640, 16397), (1726, 15580), (3116, 8630), (3452, 7790), (3895, 6904), (4315, 6232)]