28292080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 70870464

約数和(自身を除く): 42578384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 293, 340, 355, 568, 586, 680, 710, 1136, 1172, 1207, 1360, 1420, 1465, 2344, 2414, 2840, 2930, 4688, 4828, 4981, 5680, 5860, 6035, 9656, 9962, 11720, 12070, 19312, 19924, 20803, 23440, 24140, 24905, 39848, 41606, 48280, 49810, 79696, 83212, 96560, 99620, 104015, 166424, 199240, 208030, 332848, 353651, 398480, 416060, 707302, 832120, 1414604, 1664240, 1768255, 2829208, 3536510, 5658416, 7073020, 14146040, 28292080]

約数ペア:

[(1, 28292080), (2, 14146040), (4, 7073020), (5, 5658416), (8, 3536510), (10, 2829208), (16, 1768255), (17, 1664240), (20, 1414604), (34, 832120), (40, 707302), (68, 416060), (71, 398480), (80, 353651), (85, 332848), (136, 208030), (142, 199240), (170, 166424), (272, 104015), (284, 99620), (293, 96560), (340, 83212), (355, 79696), (568, 49810), (586, 48280), (680, 41606), (710, 39848), (1136, 24905), (1172, 24140), (1207, 23440), (1360, 20803), (1420, 19924), (1465, 19312), (2344, 12070), (2414, 11720), (2840, 9962), (2930, 9656), (4688, 6035), (4828, 5860), (4981, 5680)]