2021808402440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{828610001}}^1$

素因数の和:828610073

約数の個数: 32

約数和(自身を含む): 4623643811160

約数和(自身を除く): 2601835408720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 828610001, 1657220002, 3314440004, 4143050005, 6628880008, 8286100010, 16572200020, 33144400040, 50545210061, 101090420122, 202180840244, 252726050305, 404361680488, 505452100610, 1010904201220, 2021808402440]

約数ペア:

[(1, 2021808402440), (2, 1010904201220), (4, 505452100610), (5, 404361680488), (8, 252726050305), (10, 202180840244), (20, 101090420122), (40, 50545210061), (61, 33144400040), (122, 16572200020), (244, 8286100010), (305, 6628880008), (488, 4143050005), (610, 3314440004), (1220, 1657220002), (2440, 828610001)]