13284140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 16653460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 439, 445, 878, 890, 1513, 1756, 1780, 2195, 3026, 4390, 6052, 7463, 7565, 8780, 14926, 15130, 29852, 30260, 37315, 39071, 74630, 78142, 149260, 156284, 195355, 390710, 664207, 781420, 1328414, 2656828, 3321035, 6642070, 13284140]

約数ペア:

[(1, 13284140), (2, 6642070), (4, 3321035), (5, 2656828), (10, 1328414), (17, 781420), (20, 664207), (34, 390710), (68, 195355), (85, 156284), (89, 149260), (170, 78142), (178, 74630), (340, 39071), (356, 37315), (439, 30260), (445, 29852), (878, 15130), (890, 14926), (1513, 8780), (1756, 7565), (1780, 7463), (2195, 6052), (3026, 4390)]