28013500

素因数分解:

$2^2\times 5^3\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 61719840

約数和(自身を除く): 33706340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 179, 250, 313, 358, 500, 626, 716, 895, 1252, 1565, 1790, 3130, 3580, 4475, 6260, 7825, 8950, 15650, 17900, 22375, 31300, 39125, 44750, 56027, 78250, 89500, 112054, 156500, 224108, 280135, 560270, 1120540, 1400675, 2801350, 5602700, 7003375, 14006750, 28013500]

約数ペア:

[(1, 28013500), (2, 14006750), (4, 7003375), (5, 5602700), (10, 2801350), (20, 1400675), (25, 1120540), (50, 560270), (100, 280135), (125, 224108), (179, 156500), (250, 112054), (313, 89500), (358, 78250), (500, 56027), (626, 44750), (716, 39125), (895, 31300), (1252, 22375), (1565, 17900), (1790, 15650), (3130, 8950), (3580, 7825), (4475, 6260)]