12785500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 34489728

約数和(自身を除く): 21704228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 281, 325, 350, 364, 455, 500, 562, 650, 700, 875, 910, 1124, 1300, 1405, 1625, 1750, 1820, 1967, 2275, 2810, 3250, 3500, 3653, 3934, 4550, 5620, 6500, 7025, 7306, 7868, 9100, 9835, 11375, 14050, 14612, 18265, 19670, 22750, 25571, 28100, 35125, 36530, 39340, 45500, 49175, 51142, 70250, 73060, 91325, 98350, 102284, 127855, 140500, 182650, 196700, 245875, 255710, 365300, 456625, 491750, 511420, 639275, 913250, 983500, 1278550, 1826500, 2557100, 3196375, 6392750, 12785500]

約数ペア:

[(1, 12785500), (2, 6392750), (4, 3196375), (5, 2557100), (7, 1826500), (10, 1278550), (13, 983500), (14, 913250), (20, 639275), (25, 511420), (26, 491750), (28, 456625), (35, 365300), (50, 255710), (52, 245875), (65, 196700), (70, 182650), (91, 140500), (100, 127855), (125, 102284), (130, 98350), (140, 91325), (175, 73060), (182, 70250), (250, 51142), (260, 49175), (281, 45500), (325, 39340), (350, 36530), (364, 35125), (455, 28100), (500, 25571), (562, 22750), (650, 19670), (700, 18265), (875, 14612), (910, 14050), (1124, 11375), (1300, 9835), (1405, 9100), (1625, 7868), (1750, 7306), (1820, 7025), (1967, 6500), (2275, 5620), (2810, 4550), (3250, 3934), (3500, 3653)]