180908080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42667}}^1$

素因数の和:42733

約数の個数: 40

約数和(自身を含む): 428557392

約数和(自身を除く): 247649312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 42667, 85334, 170668, 213335, 341336, 426670, 682672, 853340, 1706680, 2261351, 3413360, 4522702, 9045404, 11306755, 18090808, 22613510, 36181616, 45227020, 90454040, 180908080]

約数ペア:

[(1, 180908080), (2, 90454040), (4, 45227020), (5, 36181616), (8, 22613510), (10, 18090808), (16, 11306755), (20, 9045404), (40, 4522702), (53, 3413360), (80, 2261351), (106, 1706680), (212, 853340), (265, 682672), (424, 426670), (530, 341336), (848, 213335), (1060, 170668), (2120, 85334), (4240, 42667)]