80374360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4937}}^1$

素因数の和:4996

約数の個数: 64

約数和(自身を含む): 202655520

約数和(自身を除く): 122281160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4937, 8140, 9874, 16280, 19748, 24685, 39496, 49370, 54307, 98740, 108614, 182669, 197480, 217228, 271535, 365338, 434456, 543070, 730676, 913345, 1086140, 1461352, 1826690, 2009359, 2172280, 3653380, 4018718, 7306760, 8037436, 10046795, 16074872, 20093590, 40187180, 80374360]

約数ペア:

[(1, 80374360), (2, 40187180), (4, 20093590), (5, 16074872), (8, 10046795), (10, 8037436), (11, 7306760), (20, 4018718), (22, 3653380), (37, 2172280), (40, 2009359), (44, 1826690), (55, 1461352), (74, 1086140), (88, 913345), (110, 730676), (148, 543070), (185, 434456), (220, 365338), (296, 271535), (370, 217228), (407, 197480), (440, 182669), (740, 108614), (814, 98740), (1480, 54307), (1628, 49370), (2035, 39496), (3256, 24685), (4070, 19748), (4937, 16280), (8140, 9874)]