25057060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 60842880

約数和(自身を除く): 35785820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2011, 2492, 3115, 4022, 6230, 8044, 10055, 12460, 14077, 20110, 28154, 40220, 56308, 70385, 140770, 178979, 281540, 357958, 715916, 894895, 1252853, 1789790, 2505706, 3579580, 5011412, 6264265, 12528530, 25057060]

約数ペア:

[(1, 25057060), (2, 12528530), (4, 6264265), (5, 5011412), (7, 3579580), (10, 2505706), (14, 1789790), (20, 1252853), (28, 894895), (35, 715916), (70, 357958), (89, 281540), (140, 178979), (178, 140770), (356, 70385), (445, 56308), (623, 40220), (890, 28154), (1246, 20110), (1780, 14077), (2011, 12460), (2492, 10055), (3115, 8044), (4022, 6230)]