13680940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7517}}^1$

素因数の和:7546

約数の個数: 48

約数和(自身を含む): 35364672

約数和(自身を除く): 21683732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7517, 15034, 30068, 37585, 52619, 75170, 97721, 105238, 150340, 195442, 210476, 263095, 390884, 488605, 526190, 684047, 977210, 1052380, 1368094, 1954420, 2736188, 3420235, 6840470, 13680940]

約数ペア:

[(1, 13680940), (2, 6840470), (4, 3420235), (5, 2736188), (7, 1954420), (10, 1368094), (13, 1052380), (14, 977210), (20, 684047), (26, 526190), (28, 488605), (35, 390884), (52, 263095), (65, 210476), (70, 195442), (91, 150340), (130, 105238), (140, 97721), (182, 75170), (260, 52619), (364, 37585), (455, 30068), (910, 15034), (1820, 7517)]