28043750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 60183648

約数和(自身を除く): 32139898

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 641, 875, 1250, 1282, 1750, 3125, 3205, 4375, 4487, 6250, 6410, 8750, 8974, 16025, 21875, 22435, 32050, 43750, 44870, 80125, 112175, 160250, 224350, 400625, 560875, 801250, 1121750, 2003125, 2804375, 4006250, 5608750, 14021875, 28043750]

約数ペア:

[(1, 28043750), (2, 14021875), (5, 5608750), (7, 4006250), (10, 2804375), (14, 2003125), (25, 1121750), (35, 801250), (50, 560875), (70, 400625), (125, 224350), (175, 160250), (250, 112175), (350, 80125), (625, 44870), (641, 43750), (875, 32050), (1250, 22435), (1282, 21875), (1750, 16025), (3125, 8974), (3205, 8750), (4375, 6410), (4487, 6250)]