13280060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 29846880

約数和(自身を除く): 16566820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 281, 340, 556, 562, 695, 1124, 1390, 1405, 2363, 2780, 2810, 4726, 4777, 5620, 9452, 9554, 11815, 19108, 23630, 23885, 39059, 47260, 47770, 78118, 95540, 156236, 195295, 390590, 664003, 781180, 1328006, 2656012, 3320015, 6640030, 13280060]

約数ペア:

[(1, 13280060), (2, 6640030), (4, 3320015), (5, 2656012), (10, 1328006), (17, 781180), (20, 664003), (34, 390590), (68, 195295), (85, 156236), (139, 95540), (170, 78118), (278, 47770), (281, 47260), (340, 39059), (556, 23885), (562, 23630), (695, 19108), (1124, 11815), (1390, 9554), (1405, 9452), (2363, 5620), (2780, 4777), (2810, 4726)]