20107585600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{159079}}^1$

素因数の和:159180

約数の個数: 84

約数和(自身を含む): 50103836800

約数和(自身を除く): 29996251200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 800, 1264, 1580, 1600, 1975, 2528, 3160, 3950, 5056, 6320, 7900, 12640, 15800, 25280, 31600, 63200, 126400, 159079, 318158, 636316, 795395, 1272632, 1590790, 2545264, 3181580, 3976975, 5090528, 6363160, 7953950, 10181056, 12567241, 12726320, 15907900, 25134482, 25452640, 31815800, 50268964, 50905280, 62836205, 63631600, 100537928, 125672410, 127263200, 201075856, 251344820, 254526400, 314181025, 402151712, 502689640, 628362050, 804303424, 1005379280, 1256724100, 2010758560, 2513448200, 4021517120, 5026896400, 10053792800, 20107585600]

約数ペア:

[(1, 20107585600), (2, 10053792800), (4, 5026896400), (5, 4021517120), (8, 2513448200), (10, 2010758560), (16, 1256724100), (20, 1005379280), (25, 804303424), (32, 628362050), (40, 502689640), (50, 402151712), (64, 314181025), (79, 254526400), (80, 251344820), (100, 201075856), (158, 127263200), (160, 125672410), (200, 100537928), (316, 63631600), (320, 62836205), (395, 50905280), (400, 50268964), (632, 31815800), (790, 25452640), (800, 25134482), (1264, 15907900), (1580, 12726320), (1600, 12567241), (1975, 10181056), (2528, 7953950), (3160, 6363160), (3950, 5090528), (5056, 3976975), (6320, 3181580), (7900, 2545264), (12640, 1590790), (15800, 1272632), (25280, 795395), (31600, 636316), (63200, 318158), (126400, 159079)]