8708390780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1\times {\mathrm{11117}}^1$

素因数の和:11918

約数の個数: 48

約数和(自身を含む): 18659561760

約数和(自身を除く): 9951170980

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 739, 1060, 1478, 2956, 3695, 7390, 11117, 14780, 22234, 39167, 44468, 55585, 78334, 111170, 156668, 195835, 222340, 391670, 589201, 783340, 1178402, 2356804, 2946005, 5892010, 8215463, 11784020, 16430926, 32861852, 41077315, 82154630, 164309260, 435419539, 870839078, 1741678156, 2177097695, 4354195390, 8708390780]

約数ペア:

[(1, 8708390780), (2, 4354195390), (4, 2177097695), (5, 1741678156), (10, 870839078), (20, 435419539), (53, 164309260), (106, 82154630), (212, 41077315), (265, 32861852), (530, 16430926), (739, 11784020), (1060, 8215463), (1478, 5892010), (2956, 2946005), (3695, 2356804), (7390, 1178402), (11117, 783340), (14780, 589201), (22234, 391670), (39167, 222340), (44468, 195835), (55585, 156668), (78334, 111170)]