51911750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 108725760

約数和(自身を除く): 56814010

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 125, 215, 250, 275, 430, 439, 473, 550, 878, 946, 1075, 1375, 2150, 2195, 2365, 2750, 4390, 4730, 4829, 5375, 9658, 10750, 10975, 11825, 18877, 21950, 23650, 24145, 37754, 48290, 54875, 59125, 94385, 109750, 118250, 120725, 188770, 207647, 241450, 415294, 471925, 603625, 943850, 1038235, 1207250, 2076470, 2359625, 4719250, 5191175, 10382350, 25955875, 51911750]

約数ペア:

[(1, 51911750), (2, 25955875), (5, 10382350), (10, 5191175), (11, 4719250), (22, 2359625), (25, 2076470), (43, 1207250), (50, 1038235), (55, 943850), (86, 603625), (110, 471925), (125, 415294), (215, 241450), (250, 207647), (275, 188770), (430, 120725), (439, 118250), (473, 109750), (550, 94385), (878, 59125), (946, 54875), (1075, 48290), (1375, 37754), (2150, 24145), (2195, 23650), (2365, 21950), (2750, 18877), (4390, 11825), (4730, 10975), (4829, 10750), (5375, 9658)]