13238750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 30365280

約数和(自身を除く): 17126530

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 89, 119, 125, 170, 175, 178, 238, 250, 350, 425, 445, 595, 623, 625, 850, 875, 890, 1190, 1246, 1250, 1513, 1750, 2125, 2225, 2975, 3026, 3115, 4250, 4375, 4450, 5950, 6230, 7565, 8750, 10591, 10625, 11125, 14875, 15130, 15575, 21182, 21250, 22250, 29750, 31150, 37825, 52955, 55625, 74375, 75650, 77875, 105910, 111250, 148750, 155750, 189125, 264775, 378250, 389375, 529550, 778750, 945625, 1323875, 1891250, 2647750, 6619375, 13238750]

約数ペア:

[(1, 13238750), (2, 6619375), (5, 2647750), (7, 1891250), (10, 1323875), (14, 945625), (17, 778750), (25, 529550), (34, 389375), (35, 378250), (50, 264775), (70, 189125), (85, 155750), (89, 148750), (119, 111250), (125, 105910), (170, 77875), (175, 75650), (178, 74375), (238, 55625), (250, 52955), (350, 37825), (425, 31150), (445, 29750), (595, 22250), (623, 21250), (625, 21182), (850, 15575), (875, 15130), (890, 14875), (1190, 11125), (1246, 10625), (1250, 10591), (1513, 8750), (1750, 7565), (2125, 6230), (2225, 5950), (2975, 4450), (3026, 4375), (3115, 4250)]