28350620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3229}}^1$

素因数の和:3677

約数の個数: 24

約数和(自身を含む): 59690400

約数和(自身を除く): 31339780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 3229, 4390, 6458, 8780, 12916, 16145, 32290, 64580, 1417531, 2835062, 5670124, 7087655, 14175310, 28350620]

約数ペア:

[(1, 28350620), (2, 14175310), (4, 7087655), (5, 5670124), (10, 2835062), (20, 1417531), (439, 64580), (878, 32290), (1756, 16145), (2195, 12916), (3229, 8780), (4390, 6458)]