6469840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6247

約数の個数: 40

約数和(自身を含む): 16202088

約数和(自身を除く): 9732248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6221, 12442, 24884, 31105, 49768, 62210, 80873, 99536, 124420, 161746, 248840, 323492, 404365, 497680, 646984, 808730, 1293968, 1617460, 3234920, 6469840]

約数ペア:

[(1, 6469840), (2, 3234920), (4, 1617460), (5, 1293968), (8, 808730), (10, 646984), (13, 497680), (16, 404365), (20, 323492), (26, 248840), (40, 161746), (52, 124420), (65, 99536), (80, 80873), (104, 62210), (130, 49768), (208, 31105), (260, 24884), (520, 12442), (1040, 6221)]