201836540

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25943}}^1$

素因数の和:26341

約数の個数: 24

約数和(自身を含む): 424962720

約数和(自身を除く): 223126180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 25943, 51886, 103772, 129715, 259430, 518860, 10091827, 20183654, 40367308, 50459135, 100918270, 201836540]

約数ペア:

[(1, 201836540), (2, 100918270), (4, 50459135), (5, 40367308), (10, 20183654), (20, 10091827), (389, 518860), (778, 259430), (1556, 129715), (1945, 103772), (3890, 51886), (7780, 25943)]