17815720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34261}}^1$

素因数の和:34285

約数の個数: 32

約数和(自身を含む): 43170120

約数和(自身を除く): 25354400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34261, 68522, 137044, 171305, 274088, 342610, 445393, 685220, 890786, 1370440, 1781572, 2226965, 3563144, 4453930, 8907860, 17815720]

約数ペア:

[(1, 17815720), (2, 8907860), (4, 4453930), (5, 3563144), (8, 2226965), (10, 1781572), (13, 1370440), (20, 890786), (26, 685220), (40, 445393), (52, 342610), (65, 274088), (104, 171305), (130, 137044), (260, 68522), (520, 34261)]