80384444

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32257}}^1$

素因数の和:32357

約数の個数: 24

約数和(自身を含む): 162580320

約数和(自身を除く): 82195876

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32257, 64514, 129028, 225799, 451598, 903196, 2870873, 5741746, 11483492, 20096111, 40192222, 80384444]

約数ペア:

[(1, 80384444), (2, 40192222), (4, 20096111), (7, 11483492), (14, 5741746), (28, 2870873), (89, 903196), (178, 451598), (356, 225799), (623, 129028), (1246, 64514), (2492, 32257)]