16138780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6814

約数の個数: 48

約数和(自身を含む): 41017536

約数和(自身を除く): 24878756

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6781, 13562, 27124, 33905, 47467, 67810, 94934, 115277, 135620, 189868, 230554, 237335, 461108, 474670, 576385, 806939, 949340, 1152770, 1613878, 2305540, 3227756, 4034695, 8069390, 16138780]

約数ペア:

[(1, 16138780), (2, 8069390), (4, 4034695), (5, 3227756), (7, 2305540), (10, 1613878), (14, 1152770), (17, 949340), (20, 806939), (28, 576385), (34, 474670), (35, 461108), (68, 237335), (70, 230554), (85, 189868), (119, 135620), (140, 115277), (170, 94934), (238, 67810), (340, 47467), (476, 33905), (595, 27124), (1190, 13562), (2380, 6781)]