31168280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5484

約数の個数: 64

約数和(自身を含む): 82404000

約数和(自身を除く): 51235720

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, 520, 572, 715, 1144, 1430, 2860, 5449, 5720, 10898, 21796, 27245, 43592, 54490, 59939, 70837, 108980, 119878, 141674, 217960, 239756, 283348, 299695, 354185, 479512, 566696, 599390, 708370, 779207, 1198780, 1416740, 1558414, 2397560, 2833480, 3116828, 3896035, 6233656, 7792070, 15584140, 31168280]

約数ペア:

[(1, 31168280), (2, 15584140), (4, 7792070), (5, 6233656), (8, 3896035), (10, 3116828), (11, 2833480), (13, 2397560), (20, 1558414), (22, 1416740), (26, 1198780), (40, 779207), (44, 708370), (52, 599390), (55, 566696), (65, 479512), (88, 354185), (104, 299695), (110, 283348), (130, 239756), (143, 217960), (220, 141674), (260, 119878), (286, 108980), (440, 70837), (520, 59939), (572, 54490), (715, 43592), (1144, 27245), (1430, 21796), (2860, 10898), (5449, 5720)]