40540940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 93671424

約数和(自身を除く): 53130484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 1451, 2540, 2794, 2902, 5588, 5804, 6985, 7255, 13970, 14510, 15961, 27940, 29020, 31922, 63844, 79805, 159610, 184277, 319220, 368554, 737108, 921385, 1842770, 2027047, 3685540, 4054094, 8108188, 10135235, 20270470, 40540940]

約数ペア:

[(1, 40540940), (2, 20270470), (4, 10135235), (5, 8108188), (10, 4054094), (11, 3685540), (20, 2027047), (22, 1842770), (44, 921385), (55, 737108), (110, 368554), (127, 319220), (220, 184277), (254, 159610), (508, 79805), (635, 63844), (1270, 31922), (1397, 29020), (1451, 27940), (2540, 15961), (2794, 14510), (2902, 13970), (5588, 7255), (5804, 6985)]