13135720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25261}}^1$

素因数の和:25285

約数の個数: 32

約数和(自身を含む): 31830120

約数和(自身を除く): 18694400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25261, 50522, 101044, 126305, 202088, 252610, 328393, 505220, 656786, 1010440, 1313572, 1641965, 2627144, 3283930, 6567860, 13135720]

約数ペア:

[(1, 13135720), (2, 6567860), (4, 3283930), (5, 2627144), (8, 1641965), (10, 1313572), (13, 1010440), (20, 656786), (26, 505220), (40, 328393), (52, 252610), (65, 202088), (104, 126305), (130, 101044), (260, 50522), (520, 25261)]