19946080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1619}}^1$

素因数の和:1652

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 38840480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1619, 1760, 2464, 3080, 3238, 6160, 6476, 8095, 11333, 12320, 12952, 16190, 17809, 22666, 25904, 32380, 35618, 45332, 51808, 56665, 64760, 71236, 89045, 90664, 113330, 124663, 129520, 142472, 178090, 181328, 226660, 249326, 259040, 284944, 356180, 362656, 453320, 498652, 569888, 623315, 712360, 906640, 997304, 1246630, 1424720, 1813280, 1994608, 2493260, 2849440, 3989216, 4986520, 9973040, 19946080]

約数ペア:

[(1, 19946080), (2, 9973040), (4, 4986520), (5, 3989216), (7, 2849440), (8, 2493260), (10, 1994608), (11, 1813280), (14, 1424720), (16, 1246630), (20, 997304), (22, 906640), (28, 712360), (32, 623315), (35, 569888), (40, 498652), (44, 453320), (55, 362656), (56, 356180), (70, 284944), (77, 259040), (80, 249326), (88, 226660), (110, 181328), (112, 178090), (140, 142472), (154, 129520), (160, 124663), (176, 113330), (220, 90664), (224, 89045), (280, 71236), (308, 64760), (352, 56665), (385, 51808), (440, 45332), (560, 35618), (616, 32380), (770, 25904), (880, 22666), (1120, 17809), (1232, 16190), (1540, 12952), (1619, 12320), (1760, 11333), (2464, 8095), (3080, 6476), (3238, 6160)]