2568280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 6804000

約数和(自身を除く): 4235720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 449, 520, 572, 715, 898, 1144, 1430, 1796, 2245, 2860, 3592, 4490, 4939, 5720, 5837, 8980, 9878, 11674, 17960, 19756, 23348, 24695, 29185, 39512, 46696, 49390, 58370, 64207, 98780, 116740, 128414, 197560, 233480, 256828, 321035, 513656, 642070, 1284140, 2568280]

約数ペア:

[(1, 2568280), (2, 1284140), (4, 642070), (5, 513656), (8, 321035), (10, 256828), (11, 233480), (13, 197560), (20, 128414), (22, 116740), (26, 98780), (40, 64207), (44, 58370), (52, 49390), (55, 46696), (65, 39512), (88, 29185), (104, 24695), (110, 23348), (130, 19756), (143, 17960), (220, 11674), (260, 9878), (286, 8980), (440, 5837), (449, 5720), (520, 4939), (572, 4490), (715, 3592), (898, 2860), (1144, 2245), (1430, 1796)]