25011380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 54405120

約数和(自身を除く): 29393740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 229, 254, 430, 458, 508, 635, 860, 916, 1145, 1270, 2290, 2540, 4580, 5461, 9847, 10922, 19694, 21844, 27305, 29083, 39388, 49235, 54610, 58166, 98470, 109220, 116332, 145415, 196940, 290830, 581660, 1250569, 2501138, 5002276, 6252845, 12505690, 25011380]

約数ペア:

[(1, 25011380), (2, 12505690), (4, 6252845), (5, 5002276), (10, 2501138), (20, 1250569), (43, 581660), (86, 290830), (127, 196940), (172, 145415), (215, 116332), (229, 109220), (254, 98470), (430, 58166), (458, 54610), (508, 49235), (635, 39388), (860, 29083), (916, 27305), (1145, 21844), (1270, 19694), (2290, 10922), (2540, 9847), (4580, 5461)]