40890642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 48

約数和(自身を含む): 92160768

約数和(自身を除く): 51270126

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 529, 598, 897, 991, 1058, 1587, 1794, 1982, 2973, 3174, 5946, 6877, 12883, 13754, 20631, 22793, 25766, 38649, 41262, 45586, 68379, 77298, 136758, 296309, 524239, 592618, 888927, 1048478, 1572717, 1777854, 3145434, 6815107, 13630214, 20445321, 40890642]

約数ペア:

[(1, 40890642), (2, 20445321), (3, 13630214), (6, 6815107), (13, 3145434), (23, 1777854), (26, 1572717), (39, 1048478), (46, 888927), (69, 592618), (78, 524239), (138, 296309), (299, 136758), (529, 77298), (598, 68379), (897, 45586), (991, 41262), (1058, 38649), (1587, 25766), (1794, 22793), (1982, 20631), (2973, 13754), (3174, 12883), (5946, 6877)]