28304120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 71150400

約数和(自身を除く): 42846280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 79, 104, 106, 130, 158, 169, 212, 260, 265, 316, 338, 395, 424, 520, 530, 632, 676, 689, 790, 845, 1027, 1060, 1352, 1378, 1580, 1690, 2054, 2120, 2756, 3160, 3380, 3445, 4108, 4187, 5135, 5512, 6760, 6890, 8216, 8374, 8957, 10270, 13351, 13780, 16748, 17914, 20540, 20935, 26702, 27560, 33496, 35828, 41080, 41870, 44785, 53404, 54431, 66755, 71656, 83740, 89570, 106808, 108862, 133510, 167480, 179140, 217724, 267020, 272155, 358280, 435448, 534040, 544310, 707603, 1088620, 1415206, 2177240, 2830412, 3538015, 5660824, 7076030, 14152060, 28304120]

約数ペア:

[(1, 28304120), (2, 14152060), (4, 7076030), (5, 5660824), (8, 3538015), (10, 2830412), (13, 2177240), (20, 1415206), (26, 1088620), (40, 707603), (52, 544310), (53, 534040), (65, 435448), (79, 358280), (104, 272155), (106, 267020), (130, 217724), (158, 179140), (169, 167480), (212, 133510), (260, 108862), (265, 106808), (316, 89570), (338, 83740), (395, 71656), (424, 66755), (520, 54431), (530, 53404), (632, 44785), (676, 41870), (689, 41080), (790, 35828), (845, 33496), (1027, 27560), (1060, 26702), (1352, 20935), (1378, 20540), (1580, 17914), (1690, 16748), (2054, 13780), (2120, 13351), (2756, 10270), (3160, 8957), (3380, 8374), (3445, 8216), (4108, 6890), (4187, 6760), (5135, 5512)]