25903640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 67599360

約数和(自身を除く): 41695720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1303, 1420, 1988, 2485, 2606, 2840, 3976, 4970, 5212, 6515, 9121, 9940, 10424, 13030, 18242, 19880, 26060, 36484, 45605, 52120, 72968, 91210, 92513, 182420, 185026, 364840, 370052, 462565, 647591, 740104, 925130, 1295182, 1850260, 2590364, 3237955, 3700520, 5180728, 6475910, 12951820, 25903640]

約数ペア:

[(1, 25903640), (2, 12951820), (4, 6475910), (5, 5180728), (7, 3700520), (8, 3237955), (10, 2590364), (14, 1850260), (20, 1295182), (28, 925130), (35, 740104), (40, 647591), (56, 462565), (70, 370052), (71, 364840), (140, 185026), (142, 182420), (280, 92513), (284, 91210), (355, 72968), (497, 52120), (568, 45605), (710, 36484), (994, 26060), (1303, 19880), (1420, 18242), (1988, 13030), (2485, 10424), (2606, 9940), (2840, 9121), (3976, 6515), (4970, 5212)]