26669840

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 62239320

約数和(自身を除く): 35569480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 857, 1556, 1714, 1945, 3112, 3428, 3890, 4285, 6224, 6856, 7780, 8570, 13712, 15560, 17140, 31120, 34280, 68560, 333373, 666746, 1333492, 1666865, 2666984, 3333730, 5333968, 6667460, 13334920, 26669840]

約数ペア:

[(1, 26669840), (2, 13334920), (4, 6667460), (5, 5333968), (8, 3333730), (10, 2666984), (16, 1666865), (20, 1333492), (40, 666746), (80, 333373), (389, 68560), (778, 34280), (857, 31120), (1556, 17140), (1714, 15560), (1945, 13712), (3112, 8570), (3428, 7780), (3890, 6856), (4285, 6224)]