28302560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1276

約数の個数: 96

約数和(自身を含む): 78617952

約数和(自身を除く): 50315392

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1237, 1430, 1760, 2080, 2288, 2474, 2860, 4576, 4948, 5720, 6185, 9896, 11440, 12370, 13607, 16081, 19792, 22880, 24740, 27214, 32162, 39584, 49480, 54428, 64324, 68035, 80405, 98960, 108856, 128648, 136070, 160810, 176891, 197920, 217712, 257296, 272140, 321620, 353782, 435424, 514592, 544280, 643240, 707564, 884455, 1088560, 1286480, 1415128, 1768910, 2177120, 2572960, 2830256, 3537820, 5660512, 7075640, 14151280, 28302560]

約数ペア:

[(1, 28302560), (2, 14151280), (4, 7075640), (5, 5660512), (8, 3537820), (10, 2830256), (11, 2572960), (13, 2177120), (16, 1768910), (20, 1415128), (22, 1286480), (26, 1088560), (32, 884455), (40, 707564), (44, 643240), (52, 544280), (55, 514592), (65, 435424), (80, 353782), (88, 321620), (104, 272140), (110, 257296), (130, 217712), (143, 197920), (160, 176891), (176, 160810), (208, 136070), (220, 128648), (260, 108856), (286, 98960), (352, 80405), (416, 68035), (440, 64324), (520, 54428), (572, 49480), (715, 39584), (880, 32162), (1040, 27214), (1144, 24740), (1237, 22880), (1430, 19792), (1760, 16081), (2080, 13607), (2288, 12370), (2474, 11440), (2860, 9896), (4576, 6185), (4948, 5720)]