27840560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 80

約数和(自身を含む): 74807712

約数和(自身を除く): 46967152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1861, 1870, 2992, 3722, 3740, 7444, 7480, 9305, 14888, 14960, 18610, 20471, 29776, 31637, 37220, 40942, 63274, 74440, 81884, 102355, 126548, 148880, 158185, 163768, 204710, 253096, 316370, 327536, 348007, 409420, 506192, 632740, 696014, 818840, 1265480, 1392028, 1637680, 1740035, 2530960, 2784056, 3480070, 5568112, 6960140, 13920280, 27840560]

約数ペア:

[(1, 27840560), (2, 13920280), (4, 6960140), (5, 5568112), (8, 3480070), (10, 2784056), (11, 2530960), (16, 1740035), (17, 1637680), (20, 1392028), (22, 1265480), (34, 818840), (40, 696014), (44, 632740), (55, 506192), (68, 409420), (80, 348007), (85, 327536), (88, 316370), (110, 253096), (136, 204710), (170, 163768), (176, 158185), (187, 148880), (220, 126548), (272, 102355), (340, 81884), (374, 74440), (440, 63274), (680, 40942), (748, 37220), (880, 31637), (935, 29776), (1360, 20471), (1496, 18610), (1861, 14960), (1870, 14888), (2992, 9305), (3722, 7480), (3740, 7444)]