40782980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9397}}^1$

素因数の和:9444

約数の個数: 48

約数和(自身を含む): 101047296

約数和(自身を除く): 60264316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 9397, 18794, 37588, 46985, 65779, 93970, 131558, 187940, 263116, 291307, 328895, 582614, 657790, 1165228, 1315580, 1456535, 2039149, 2913070, 4078298, 5826140, 8156596, 10195745, 20391490, 40782980]

約数ペア:

[(1, 40782980), (2, 20391490), (4, 10195745), (5, 8156596), (7, 5826140), (10, 4078298), (14, 2913070), (20, 2039149), (28, 1456535), (31, 1315580), (35, 1165228), (62, 657790), (70, 582614), (124, 328895), (140, 291307), (155, 263116), (217, 187940), (310, 131558), (434, 93970), (620, 65779), (868, 46985), (1085, 37588), (2170, 18794), (4340, 9397)]