66623620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5347}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 161723520

約数和(自身を除く): 95099900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 5347, 6230, 10694, 12460, 21388, 26735, 37429, 53470, 74858, 106940, 149716, 187145, 374290, 475883, 748580, 951766, 1903532, 2379415, 3331181, 4758830, 6662362, 9517660, 13324724, 16655905, 33311810, 66623620]

約数ペア:

[(1, 66623620), (2, 33311810), (4, 16655905), (5, 13324724), (7, 9517660), (10, 6662362), (14, 4758830), (20, 3331181), (28, 2379415), (35, 1903532), (70, 951766), (89, 748580), (140, 475883), (178, 374290), (356, 187145), (445, 149716), (623, 106940), (890, 74858), (1246, 53470), (1780, 37429), (2492, 26735), (3115, 21388), (5347, 12460), (6230, 10694)]