13920280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 36197280

約数和(自身を除く): 22277000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1861, 1870, 3722, 3740, 7444, 7480, 9305, 14888, 18610, 20471, 31637, 37220, 40942, 63274, 74440, 81884, 102355, 126548, 158185, 163768, 204710, 253096, 316370, 348007, 409420, 632740, 696014, 818840, 1265480, 1392028, 1740035, 2784056, 3480070, 6960140, 13920280]

約数ペア:

[(1, 13920280), (2, 6960140), (4, 3480070), (5, 2784056), (8, 1740035), (10, 1392028), (11, 1265480), (17, 818840), (20, 696014), (22, 632740), (34, 409420), (40, 348007), (44, 316370), (55, 253096), (68, 204710), (85, 163768), (88, 158185), (110, 126548), (136, 102355), (170, 81884), (187, 74440), (220, 63274), (340, 40942), (374, 37220), (440, 31637), (680, 20471), (748, 18610), (935, 14888), (1496, 9305), (1861, 7480), (1870, 7444), (3722, 3740)]