61643080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35839}}^1$

素因数の和:35893

約数の個数: 32

約数和(自身を含む): 141926400

約数和(自身を除く): 80283320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 35839, 71678, 143356, 179195, 286712, 358390, 716780, 1433560, 1541077, 3082154, 6164308, 7705385, 12328616, 15410770, 30821540, 61643080]

約数ペア:

[(1, 61643080), (2, 30821540), (4, 15410770), (5, 12328616), (8, 7705385), (10, 6164308), (20, 3082154), (40, 1541077), (43, 1433560), (86, 716780), (172, 358390), (215, 286712), (344, 179195), (430, 143356), (860, 71678), (1720, 35839)]