49838680

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3203}}^1$

素因数の和:3603

約数の個数: 32

約数和(自身を含む): 112460400

約数和(自身を除く): 62621720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3203, 3890, 6406, 7780, 12812, 15560, 16015, 25624, 32030, 64060, 128120, 1245967, 2491934, 4983868, 6229835, 9967736, 12459670, 24919340, 49838680]

約数ペア:

[(1, 49838680), (2, 24919340), (4, 12459670), (5, 9967736), (8, 6229835), (10, 4983868), (20, 2491934), (40, 1245967), (389, 128120), (778, 64060), (1556, 32030), (1945, 25624), (3112, 16015), (3203, 15560), (3890, 12812), (6406, 7780)]