28000750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{3613}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 54123264

約数和(自身を除く): 26122514

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 775, 1550, 3613, 3875, 7226, 7750, 18065, 36130, 90325, 112003, 180650, 224006, 451625, 560015, 903250, 1120030, 2800075, 5600150, 14000375, 28000750]

約数ペア:

[(1, 28000750), (2, 14000375), (5, 5600150), (10, 2800075), (25, 1120030), (31, 903250), (50, 560015), (62, 451625), (125, 224006), (155, 180650), (250, 112003), (310, 90325), (775, 36130), (1550, 18065), (3613, 7750), (3875, 7226)]