28165280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1270

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 50071648

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, 1231, 1430, 1760, 2080, 2288, 2462, 2860, 4576, 4924, 5720, 6155, 9848, 11440, 12310, 13541, 16003, 19696, 22880, 24620, 27082, 32006, 39392, 49240, 54164, 64012, 67705, 80015, 98480, 108328, 128024, 135410, 160030, 176033, 196960, 216656, 256048, 270820, 320060, 352066, 433312, 512096, 541640, 640120, 704132, 880165, 1083280, 1280240, 1408264, 1760330, 2166560, 2560480, 2816528, 3520660, 5633056, 7041320, 14082640, 28165280]

約数ペア:

[(1, 28165280), (2, 14082640), (4, 7041320), (5, 5633056), (8, 3520660), (10, 2816528), (11, 2560480), (13, 2166560), (16, 1760330), (20, 1408264), (22, 1280240), (26, 1083280), (32, 880165), (40, 704132), (44, 640120), (52, 541640), (55, 512096), (65, 433312), (80, 352066), (88, 320060), (104, 270820), (110, 256048), (130, 216656), (143, 196960), (160, 176033), (176, 160030), (208, 135410), (220, 128024), (260, 108328), (286, 98480), (352, 80015), (416, 67705), (440, 64012), (520, 54164), (572, 49240), (715, 39392), (880, 32006), (1040, 27082), (1144, 24620), (1231, 22880), (1430, 19696), (1760, 16003), (2080, 13541), (2288, 12310), (2462, 11440), (2860, 9848), (4576, 6155), (4924, 5720)]