7925840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7621}}^1$

素因数の和:7647

約数の個数: 40

約数和(自身を含む): 19847688

約数和(自身を除く): 11921848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7621, 15242, 30484, 38105, 60968, 76210, 99073, 121936, 152420, 198146, 304840, 396292, 495365, 609680, 792584, 990730, 1585168, 1981460, 3962920, 7925840]

約数ペア:

[(1, 7925840), (2, 3962920), (4, 1981460), (5, 1585168), (8, 990730), (10, 792584), (13, 609680), (16, 495365), (20, 396292), (26, 304840), (40, 198146), (52, 152420), (65, 121936), (80, 99073), (104, 76210), (130, 60968), (208, 38105), (260, 30484), (520, 15242), (1040, 7621)]