202115440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28387}}^1$

素因数の和:28489

約数の個数: 40

約数和(自身を含む): 475215120

約数和(自身を除く): 273099680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28387, 56774, 113548, 141935, 227096, 283870, 454192, 567740, 1135480, 2270960, 2526443, 5052886, 10105772, 12632215, 20211544, 25264430, 40423088, 50528860, 101057720, 202115440]

約数ペア:

[(1, 202115440), (2, 101057720), (4, 50528860), (5, 40423088), (8, 25264430), (10, 20211544), (16, 12632215), (20, 10105772), (40, 5052886), (80, 2526443), (89, 2270960), (178, 1135480), (356, 567740), (445, 454192), (712, 283870), (890, 227096), (1424, 141935), (1780, 113548), (3560, 56774), (7120, 28387)]