12749240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45533}}^1$

素因数の和:45551

約数の個数: 32

約数和(自身を含む): 32784480

約数和(自身を除く): 20035240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45533, 91066, 182132, 227665, 318731, 364264, 455330, 637462, 910660, 1274924, 1593655, 1821320, 2549848, 3187310, 6374620, 12749240]

約数ペア:

[(1, 12749240), (2, 6374620), (4, 3187310), (5, 2549848), (7, 1821320), (8, 1593655), (10, 1274924), (14, 910660), (20, 637462), (28, 455330), (35, 364264), (40, 318731), (56, 227665), (70, 182132), (140, 91066), (280, 45533)]