13887500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 33466608

約数和(自身を除く): 19579108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 125, 202, 220, 250, 275, 404, 500, 505, 550, 625, 1010, 1100, 1111, 1250, 1375, 2020, 2222, 2500, 2525, 2750, 3125, 4444, 5050, 5500, 5555, 6250, 6875, 10100, 11110, 12500, 12625, 13750, 22220, 25250, 27500, 27775, 34375, 50500, 55550, 63125, 68750, 111100, 126250, 137500, 138875, 252500, 277750, 315625, 555500, 631250, 694375, 1262500, 1388750, 2777500, 3471875, 6943750, 13887500]

約数ペア:

[(1, 13887500), (2, 6943750), (4, 3471875), (5, 2777500), (10, 1388750), (11, 1262500), (20, 694375), (22, 631250), (25, 555500), (44, 315625), (50, 277750), (55, 252500), (100, 138875), (101, 137500), (110, 126250), (125, 111100), (202, 68750), (220, 63125), (250, 55550), (275, 50500), (404, 34375), (500, 27775), (505, 27500), (550, 25250), (625, 22220), (1010, 13750), (1100, 12625), (1111, 12500), (1250, 11110), (1375, 10100), (2020, 6875), (2222, 6250), (2500, 5555), (2525, 5500), (2750, 5050), (3125, 4444)]