27986500

素因数分解:

$2^2\times 5^3\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 33654716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 223, 250, 251, 446, 500, 502, 892, 1004, 1115, 1255, 2230, 2510, 4460, 5020, 5575, 6275, 11150, 12550, 22300, 25100, 27875, 31375, 55750, 55973, 62750, 111500, 111946, 125500, 223892, 279865, 559730, 1119460, 1399325, 2798650, 5597300, 6996625, 13993250, 27986500]

約数ペア:

[(1, 27986500), (2, 13993250), (4, 6996625), (5, 5597300), (10, 2798650), (20, 1399325), (25, 1119460), (50, 559730), (100, 279865), (125, 223892), (223, 125500), (250, 111946), (251, 111500), (446, 62750), (500, 55973), (502, 55750), (892, 31375), (1004, 27875), (1115, 25100), (1255, 22300), (2230, 12550), (2510, 11150), (4460, 6275), (5020, 5575)]