13315720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 33359040

約数和(自身を除く): 20043320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 571, 583, 1060, 1142, 1166, 2120, 2284, 2332, 2855, 2915, 4568, 4664, 5710, 5830, 6281, 11420, 11660, 12562, 22840, 23320, 25124, 30263, 31405, 50248, 60526, 62810, 121052, 125620, 151315, 242104, 251240, 302630, 332893, 605260, 665786, 1210520, 1331572, 1664465, 2663144, 3328930, 6657860, 13315720]

約数ペア:

[(1, 13315720), (2, 6657860), (4, 3328930), (5, 2663144), (8, 1664465), (10, 1331572), (11, 1210520), (20, 665786), (22, 605260), (40, 332893), (44, 302630), (53, 251240), (55, 242104), (88, 151315), (106, 125620), (110, 121052), (212, 62810), (220, 60526), (265, 50248), (424, 31405), (440, 30263), (530, 25124), (571, 23320), (583, 22840), (1060, 12562), (1142, 11660), (1166, 11420), (2120, 6281), (2284, 5830), (2332, 5710), (2855, 4664), (2915, 4568)]