8705243440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1\times {\mathrm{967}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 20439048960

約数和(自身を除く): 11733805520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 859, 967, 1048, 1310, 1718, 1934, 2096, 2620, 3436, 3868, 4295, 4835, 5240, 6872, 7736, 8590, 9670, 10480, 13744, 15472, 17180, 19340, 34360, 38680, 68720, 77360, 112529, 126677, 225058, 253354, 450116, 506708, 562645, 633385, 830653, 900232, 1013416, 1125290, 1266770, 1661306, 1800464, 2026832, 2250580, 2533540, 3322612, 4153265, 4501160, 5067080, 6645224, 8306530, 9002320, 10134160, 13290448, 16613060, 33226120, 66452240, 108815543, 217631086, 435262172, 544077715, 870524344, 1088155430, 1741048688, 2176310860, 4352621720, 8705243440]

約数ペア:

[(1, 8705243440), (2, 4352621720), (4, 2176310860), (5, 1741048688), (8, 1088155430), (10, 870524344), (16, 544077715), (20, 435262172), (40, 217631086), (80, 108815543), (131, 66452240), (262, 33226120), (524, 16613060), (655, 13290448), (859, 10134160), (967, 9002320), (1048, 8306530), (1310, 6645224), (1718, 5067080), (1934, 4501160), (2096, 4153265), (2620, 3322612), (3436, 2533540), (3868, 2250580), (4295, 2026832), (4835, 1800464), (5240, 1661306), (6872, 1266770), (7736, 1125290), (8590, 1013416), (9670, 900232), (10480, 830653), (13744, 633385), (15472, 562645), (17180, 506708), (19340, 450116), (34360, 253354), (38680, 225058), (68720, 126677), (77360, 112529)]