1646295920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{5227}}^1$

素因数の和:5398

約数の個数: 80

約数和(自身を含む): 3982983168

約数和(自身を除く): 2336687248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 3937, 5080, 5227, 7874, 10160, 10454, 15748, 19685, 20908, 26135, 31496, 39370, 41816, 52270, 62992, 78740, 83632, 104540, 157480, 162037, 209080, 314960, 324074, 418160, 648148, 663829, 810185, 1296296, 1327658, 1620370, 2592592, 2655316, 3240740, 3319145, 5310632, 6481480, 6638290, 10621264, 12962960, 13276580, 20578699, 26553160, 41157398, 53106320, 82314796, 102893495, 164629592, 205786990, 329259184, 411573980, 823147960, 1646295920]

約数ペア:

[(1, 1646295920), (2, 823147960), (4, 411573980), (5, 329259184), (8, 205786990), (10, 164629592), (16, 102893495), (20, 82314796), (31, 53106320), (40, 41157398), (62, 26553160), (80, 20578699), (124, 13276580), (127, 12962960), (155, 10621264), (248, 6638290), (254, 6481480), (310, 5310632), (496, 3319145), (508, 3240740), (620, 2655316), (635, 2592592), (1016, 1620370), (1240, 1327658), (1270, 1296296), (2032, 810185), (2480, 663829), (2540, 648148), (3937, 418160), (5080, 324074), (5227, 314960), (7874, 209080), (10160, 162037), (10454, 157480), (15748, 104540), (19685, 83632), (20908, 78740), (26135, 62992), (31496, 52270), (39370, 41816)]