51294640

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 119621808

約数和(自身を除く): 68327168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1523, 1684, 2105, 3046, 3368, 4210, 6092, 6736, 7615, 8420, 12184, 15230, 16840, 24368, 30460, 33680, 60920, 121840, 641183, 1282366, 2564732, 3205915, 5129464, 6411830, 10258928, 12823660, 25647320, 51294640]

約数ペア:

[(1, 51294640), (2, 25647320), (4, 12823660), (5, 10258928), (8, 6411830), (10, 5129464), (16, 3205915), (20, 2564732), (40, 1282366), (80, 641183), (421, 121840), (842, 60920), (1523, 33680), (1684, 30460), (2105, 24368), (3046, 16840), (3368, 15230), (4210, 12184), (6092, 8420), (6736, 7615)]