16939480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 41796000

約数和(自身を除く): 24856520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 859, 986, 1160, 1718, 1972, 2465, 3436, 3944, 4295, 4930, 6872, 8590, 9860, 14603, 17180, 19720, 24911, 29206, 34360, 49822, 58412, 73015, 99644, 116824, 124555, 146030, 199288, 249110, 292060, 423487, 498220, 584120, 846974, 996440, 1693948, 2117435, 3387896, 4234870, 8469740, 16939480]

約数ペア:

[(1, 16939480), (2, 8469740), (4, 4234870), (5, 3387896), (8, 2117435), (10, 1693948), (17, 996440), (20, 846974), (29, 584120), (34, 498220), (40, 423487), (58, 292060), (68, 249110), (85, 199288), (116, 146030), (136, 124555), (145, 116824), (170, 99644), (232, 73015), (290, 58412), (340, 49822), (493, 34360), (580, 29206), (680, 24911), (859, 19720), (986, 17180), (1160, 14603), (1718, 9860), (1972, 8590), (2465, 6872), (3436, 4930), (3944, 4295)]