28134320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 70227648

約数和(自身を除く): 42093328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 151, 170, 272, 274, 302, 340, 548, 604, 680, 685, 755, 1096, 1208, 1360, 1370, 1510, 2192, 2329, 2416, 2567, 2740, 3020, 4658, 5134, 5480, 6040, 9316, 10268, 10960, 11645, 12080, 12835, 18632, 20536, 20687, 23290, 25670, 37264, 41072, 41374, 46580, 51340, 82748, 93160, 102680, 103435, 165496, 186320, 205360, 206870, 330992, 351679, 413740, 703358, 827480, 1406716, 1654960, 1758395, 2813432, 3516790, 5626864, 7033580, 14067160, 28134320]

約数ペア:

[(1, 28134320), (2, 14067160), (4, 7033580), (5, 5626864), (8, 3516790), (10, 2813432), (16, 1758395), (17, 1654960), (20, 1406716), (34, 827480), (40, 703358), (68, 413740), (80, 351679), (85, 330992), (136, 206870), (137, 205360), (151, 186320), (170, 165496), (272, 103435), (274, 102680), (302, 93160), (340, 82748), (548, 51340), (604, 46580), (680, 41374), (685, 41072), (755, 37264), (1096, 25670), (1208, 23290), (1360, 20687), (1370, 20536), (1510, 18632), (2192, 12835), (2329, 12080), (2416, 11645), (2567, 10960), (2740, 10268), (3020, 9316), (4658, 6040), (5134, 5480)]