40743920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2398

約数の個数: 80

約数和(自身を含む): 111802368

約数和(自身を除く): 71058448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2347, 2480, 3472, 4340, 4694, 8680, 9388, 11735, 16429, 17360, 18776, 23470, 32858, 37552, 46940, 65716, 72757, 82145, 93880, 131432, 145514, 164290, 187760, 262864, 291028, 328580, 363785, 509299, 582056, 657160, 727570, 1018598, 1164112, 1314320, 1455140, 2037196, 2546495, 2910280, 4074392, 5092990, 5820560, 8148784, 10185980, 20371960, 40743920]

約数ペア:

[(1, 40743920), (2, 20371960), (4, 10185980), (5, 8148784), (7, 5820560), (8, 5092990), (10, 4074392), (14, 2910280), (16, 2546495), (20, 2037196), (28, 1455140), (31, 1314320), (35, 1164112), (40, 1018598), (56, 727570), (62, 657160), (70, 582056), (80, 509299), (112, 363785), (124, 328580), (140, 291028), (155, 262864), (217, 187760), (248, 164290), (280, 145514), (310, 131432), (434, 93880), (496, 82145), (560, 72757), (620, 65716), (868, 46940), (1085, 37552), (1240, 32858), (1736, 23470), (2170, 18776), (2347, 17360), (2480, 16429), (3472, 11735), (4340, 9388), (4694, 8680)]