40120808

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7873}}^1$

素因数の和:7906

約数の個数: 48

約数和(自身を含む): 94251780

約数和(自身を除く): 54130972

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 7873, 15746, 31492, 55111, 62984, 102349, 110222, 204698, 220444, 385777, 409396, 440888, 716443, 771554, 818792, 1432886, 1543108, 2865772, 3086216, 5015101, 5731544, 10030202, 20060404, 40120808]

約数ペア:

[(1, 40120808), (2, 20060404), (4, 10030202), (7, 5731544), (8, 5015101), (13, 3086216), (14, 2865772), (26, 1543108), (28, 1432886), (49, 818792), (52, 771554), (56, 716443), (91, 440888), (98, 409396), (104, 385777), (182, 220444), (196, 204698), (364, 110222), (392, 102349), (637, 62984), (728, 55111), (1274, 31492), (2548, 15746), (5096, 7873)]