26646500

素因数分解:

$2^2\times 5^3\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 58771440

約数和(自身を除く): 32124940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 250, 274, 389, 500, 548, 685, 778, 1370, 1556, 1945, 2740, 3425, 3890, 6850, 7780, 9725, 13700, 17125, 19450, 34250, 38900, 48625, 53293, 68500, 97250, 106586, 194500, 213172, 266465, 532930, 1065860, 1332325, 2664650, 5329300, 6661625, 13323250, 26646500]

約数ペア:

[(1, 26646500), (2, 13323250), (4, 6661625), (5, 5329300), (10, 2664650), (20, 1332325), (25, 1065860), (50, 532930), (100, 266465), (125, 213172), (137, 194500), (250, 106586), (274, 97250), (389, 68500), (500, 53293), (548, 48625), (685, 38900), (778, 34250), (1370, 19450), (1556, 17125), (1945, 13700), (2740, 9725), (3425, 7780), (3890, 6850)]