13347521120

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{210131}}^1$

素因数の和:210543

約数の個数: 48

約数和(自身を含む): 31613098608

約数和(自身を除く): 18265577488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 12704, 15880, 31760, 63520, 210131, 420262, 840524, 1050655, 1681048, 2101310, 3362096, 4202620, 6724192, 8405240, 16810480, 33620960, 83422007, 166844014, 333688028, 417110035, 667376056, 834220070, 1334752112, 1668440140, 2669504224, 3336880280, 6673760560, 13347521120]

約数ペア:

[(1, 13347521120), (2, 6673760560), (4, 3336880280), (5, 2669504224), (8, 1668440140), (10, 1334752112), (16, 834220070), (20, 667376056), (32, 417110035), (40, 333688028), (80, 166844014), (160, 83422007), (397, 33620960), (794, 16810480), (1588, 8405240), (1985, 6724192), (3176, 4202620), (3970, 3362096), (6352, 2101310), (7940, 1681048), (12704, 1050655), (15880, 840524), (31760, 420262), (63520, 210131)]