13843720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 34525440

約数和(自身を除く): 20681720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 431, 440, 584, 730, 803, 862, 1460, 1606, 1724, 2155, 2920, 3212, 3448, 4015, 4310, 4741, 6424, 8030, 8620, 9482, 16060, 17240, 18964, 23705, 31463, 32120, 37928, 47410, 62926, 94820, 125852, 157315, 189640, 251704, 314630, 346093, 629260, 692186, 1258520, 1384372, 1730465, 2768744, 3460930, 6921860, 13843720]

約数ペア:

[(1, 13843720), (2, 6921860), (4, 3460930), (5, 2768744), (8, 1730465), (10, 1384372), (11, 1258520), (20, 692186), (22, 629260), (40, 346093), (44, 314630), (55, 251704), (73, 189640), (88, 157315), (110, 125852), (146, 94820), (220, 62926), (292, 47410), (365, 37928), (431, 32120), (440, 31463), (584, 23705), (730, 18964), (803, 17240), (862, 16060), (1460, 9482), (1606, 8620), (1724, 8030), (2155, 6424), (2920, 4741), (3212, 4310), (3448, 4015)]