39702160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 96980400

約数和(自身を除く): 57278240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 157, 218, 232, 290, 314, 436, 464, 545, 580, 628, 785, 872, 1090, 1160, 1256, 1570, 1744, 2180, 2320, 2512, 3140, 3161, 4360, 4553, 6280, 6322, 8720, 9106, 12560, 12644, 15805, 17113, 18212, 22765, 25288, 31610, 34226, 36424, 45530, 50576, 63220, 68452, 72848, 85565, 91060, 126440, 136904, 171130, 182120, 252880, 273808, 342260, 364240, 496277, 684520, 992554, 1369040, 1985108, 2481385, 3970216, 4962770, 7940432, 9925540, 19851080, 39702160]

約数ペア:

[(1, 39702160), (2, 19851080), (4, 9925540), (5, 7940432), (8, 4962770), (10, 3970216), (16, 2481385), (20, 1985108), (29, 1369040), (40, 992554), (58, 684520), (80, 496277), (109, 364240), (116, 342260), (145, 273808), (157, 252880), (218, 182120), (232, 171130), (290, 136904), (314, 126440), (436, 91060), (464, 85565), (545, 72848), (580, 68452), (628, 63220), (785, 50576), (872, 45530), (1090, 36424), (1160, 34226), (1256, 31610), (1570, 25288), (1744, 22765), (2180, 18212), (2320, 17113), (2512, 15805), (3140, 12644), (3161, 12560), (4360, 9106), (4553, 8720), (6280, 6322)]