26080720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 39057968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 151, 170, 254, 272, 302, 340, 508, 604, 635, 680, 755, 1016, 1208, 1270, 1360, 1510, 2032, 2159, 2416, 2540, 2567, 3020, 4318, 5080, 5134, 6040, 8636, 10160, 10268, 10795, 12080, 12835, 17272, 19177, 20536, 21590, 25670, 34544, 38354, 41072, 43180, 51340, 76708, 86360, 95885, 102680, 153416, 172720, 191770, 205360, 306832, 326009, 383540, 652018, 767080, 1304036, 1534160, 1630045, 2608072, 3260090, 5216144, 6520180, 13040360, 26080720]

約数ペア:

[(1, 26080720), (2, 13040360), (4, 6520180), (5, 5216144), (8, 3260090), (10, 2608072), (16, 1630045), (17, 1534160), (20, 1304036), (34, 767080), (40, 652018), (68, 383540), (80, 326009), (85, 306832), (127, 205360), (136, 191770), (151, 172720), (170, 153416), (254, 102680), (272, 95885), (302, 86360), (340, 76708), (508, 51340), (604, 43180), (635, 41072), (680, 38354), (755, 34544), (1016, 25670), (1208, 21590), (1270, 20536), (1360, 19177), (1510, 17272), (2032, 12835), (2159, 12080), (2416, 10795), (2540, 10268), (2567, 10160), (3020, 8636), (4318, 6040), (5080, 5134)]