16577480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 40055040

約数和(自身を除く): 23477560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 487, 740, 851, 920, 974, 1480, 1702, 1948, 2435, 3404, 3896, 4255, 4870, 6808, 8510, 9740, 11201, 17020, 18019, 19480, 22402, 34040, 36038, 44804, 56005, 72076, 89608, 90095, 112010, 144152, 180190, 224020, 360380, 414437, 448040, 720760, 828874, 1657748, 2072185, 3315496, 4144370, 8288740, 16577480]

約数ペア:

[(1, 16577480), (2, 8288740), (4, 4144370), (5, 3315496), (8, 2072185), (10, 1657748), (20, 828874), (23, 720760), (37, 448040), (40, 414437), (46, 360380), (74, 224020), (92, 180190), (115, 144152), (148, 112010), (184, 90095), (185, 89608), (230, 72076), (296, 56005), (370, 44804), (460, 36038), (487, 34040), (740, 22402), (851, 19480), (920, 18019), (974, 17020), (1480, 11201), (1702, 9740), (1948, 8510), (2435, 6808), (3404, 4870), (3896, 4255)]