13873520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 34209120

約数和(自身を除く): 20335600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 109, 148, 172, 185, 215, 218, 296, 344, 370, 430, 436, 545, 592, 688, 740, 860, 872, 1090, 1480, 1591, 1720, 1744, 2180, 2960, 3182, 3440, 4033, 4360, 4687, 6364, 7955, 8066, 8720, 9374, 12728, 15910, 16132, 18748, 20165, 23435, 25456, 31820, 32264, 37496, 40330, 46870, 63640, 64528, 74992, 80660, 93740, 127280, 161320, 173419, 187480, 322640, 346838, 374960, 693676, 867095, 1387352, 1734190, 2774704, 3468380, 6936760, 13873520]

約数ペア:

[(1, 13873520), (2, 6936760), (4, 3468380), (5, 2774704), (8, 1734190), (10, 1387352), (16, 867095), (20, 693676), (37, 374960), (40, 346838), (43, 322640), (74, 187480), (80, 173419), (86, 161320), (109, 127280), (148, 93740), (172, 80660), (185, 74992), (215, 64528), (218, 63640), (296, 46870), (344, 40330), (370, 37496), (430, 32264), (436, 31820), (545, 25456), (592, 23435), (688, 20165), (740, 18748), (860, 16132), (872, 15910), (1090, 12728), (1480, 9374), (1591, 8720), (1720, 8066), (1744, 7955), (2180, 6364), (2960, 4687), (3182, 4360), (3440, 4033)]