8205420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 23143680

約数和(自身を除く): 14938260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 839, 978, 1630, 1678, 1956, 2445, 2517, 3260, 3356, 4195, 4890, 5034, 8390, 9780, 10068, 12585, 16780, 25170, 50340, 136757, 273514, 410271, 547028, 683785, 820542, 1367570, 1641084, 2051355, 2735140, 4102710, 8205420]

約数ペア:

[(1, 8205420), (2, 4102710), (3, 2735140), (4, 2051355), (5, 1641084), (6, 1367570), (10, 820542), (12, 683785), (15, 547028), (20, 410271), (30, 273514), (60, 136757), (163, 50340), (326, 25170), (489, 16780), (652, 12585), (815, 10068), (839, 9780), (978, 8390), (1630, 5034), (1678, 4890), (1956, 4195), (2445, 3356), (2517, 3260)]