1780511056

素因数分解:

$2^4\times {\mathrm{5119}}^1\times {\mathrm{21739}}^1$

素因数の和:26866

約数の個数: 20

約数和(自身を含む): 3450572800

約数和(自身を除く): 1670061744

約数列:

[1, 2, 4, 8, 16, 5119, 10238, 20476, 21739, 40952, 43478, 81904, 86956, 173912, 347824, 111281941, 222563882, 445127764, 890255528, 1780511056]

約数ペア:

[(1, 1780511056), (2, 890255528), (4, 445127764), (8, 222563882), (16, 111281941), (5119, 347824), (10238, 173912), (20476, 86956), (21739, 81904), (40952, 43478)]