7401040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 17463168

約数和(自身を除く): 10062128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1303, 1420, 2606, 2840, 5212, 5680, 6515, 10424, 13030, 20848, 26060, 52120, 92513, 104240, 185026, 370052, 462565, 740104, 925130, 1480208, 1850260, 3700520, 7401040]

約数ペア:

[(1, 7401040), (2, 3700520), (4, 1850260), (5, 1480208), (8, 925130), (10, 740104), (16, 462565), (20, 370052), (40, 185026), (71, 104240), (80, 92513), (142, 52120), (284, 26060), (355, 20848), (568, 13030), (710, 10424), (1136, 6515), (1303, 5680), (1420, 5212), (2606, 2840)]