8195720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15761}}^1$

素因数の和:15785

約数の個数: 32

約数和(自身を含む): 19860120

約数和(自身を除く): 11664400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15761, 31522, 63044, 78805, 126088, 157610, 204893, 315220, 409786, 630440, 819572, 1024465, 1639144, 2048930, 4097860, 8195720]

約数ペア:

[(1, 8195720), (2, 4097860), (4, 2048930), (5, 1639144), (8, 1024465), (10, 819572), (13, 630440), (20, 409786), (26, 315220), (40, 204893), (52, 157610), (65, 126088), (104, 78805), (130, 63044), (260, 31522), (520, 15761)]