40878994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 70418880

約数和(自身を除く): 29539886

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 247, 494, 997, 1079, 1577, 1994, 2158, 3154, 12961, 18943, 20501, 25922, 37886, 41002, 82751, 165502, 246259, 492518, 1075763, 1572269, 2151526, 3144538, 20439497, 40878994]

約数ペア:

[(1, 40878994), (2, 20439497), (13, 3144538), (19, 2151526), (26, 1572269), (38, 1075763), (83, 492518), (166, 246259), (247, 165502), (494, 82751), (997, 41002), (1079, 37886), (1577, 25922), (1994, 20501), (2158, 18943), (3154, 12961)]