4877990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 9555840

約数和(自身を除く): 4677850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 239, 314, 478, 785, 1195, 1570, 2041, 2390, 3107, 4082, 6214, 10205, 15535, 20410, 31070, 37523, 75046, 187615, 375230, 487799, 975598, 2438995, 4877990]

約数ペア:

[(1, 4877990), (2, 2438995), (5, 975598), (10, 487799), (13, 375230), (26, 187615), (65, 75046), (130, 37523), (157, 31070), (239, 20410), (314, 15535), (478, 10205), (785, 6214), (1195, 4082), (1570, 3107), (2041, 2390)]