28614320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 78143808

約数和(自身を除く): 49529488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1381, 1480, 2072, 2590, 2762, 2960, 4144, 5180, 5524, 6905, 9667, 10360, 11048, 13810, 19334, 20720, 22096, 27620, 38668, 48335, 51097, 55240, 77336, 96670, 102194, 110480, 154672, 193340, 204388, 255485, 357679, 386680, 408776, 510970, 715358, 773360, 817552, 1021940, 1430716, 1788395, 2043880, 2861432, 3576790, 4087760, 5722864, 7153580, 14307160, 28614320]

約数ペア:

[(1, 28614320), (2, 14307160), (4, 7153580), (5, 5722864), (7, 4087760), (8, 3576790), (10, 2861432), (14, 2043880), (16, 1788395), (20, 1430716), (28, 1021940), (35, 817552), (37, 773360), (40, 715358), (56, 510970), (70, 408776), (74, 386680), (80, 357679), (112, 255485), (140, 204388), (148, 193340), (185, 154672), (259, 110480), (280, 102194), (296, 96670), (370, 77336), (518, 55240), (560, 51097), (592, 48335), (740, 38668), (1036, 27620), (1295, 22096), (1381, 20720), (1480, 19334), (2072, 13810), (2590, 11048), (2762, 10360), (2960, 9667), (4144, 6905), (5180, 5524)]