80249770

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 147646800

約数和(自身を除く): 67397030

約数列:

[1, 2, 5, 10, 61, 122, 293, 305, 449, 586, 610, 898, 1465, 2245, 2930, 4490, 17873, 27389, 35746, 54778, 89365, 131557, 136945, 178730, 263114, 273890, 657785, 1315570, 8024977, 16049954, 40124885, 80249770]

約数ペア:

[(1, 80249770), (2, 40124885), (5, 16049954), (10, 8024977), (61, 1315570), (122, 657785), (293, 273890), (305, 263114), (449, 178730), (586, 136945), (610, 131557), (898, 89365), (1465, 54778), (2245, 35746), (2930, 27389), (4490, 17873)]