1380871288360

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{54709639}}^1$

素因数の和:54710281

約数の個数: 32

約数和(自身を含む): 3111884323200

約数和(自身を除く): 1731013034840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 54709639, 109419278, 218838556, 273548195, 437677112, 547096390, 1094192780, 2188385560, 34521782209, 69043564418, 138087128836, 172608911045, 276174257672, 345217822090, 690435644180, 1380871288360]

約数ペア:

[(1, 1380871288360), (2, 690435644180), (4, 345217822090), (5, 276174257672), (8, 172608911045), (10, 138087128836), (20, 69043564418), (40, 34521782209), (631, 2188385560), (1262, 1094192780), (2524, 547096390), (3155, 437677112), (5048, 273548195), (6310, 218838556), (12620, 109419278), (25240, 54709639)]