28119220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9311}}^1$

素因数の和:9471

約数の個数: 24

約数和(自身を含む): 59447808

約数和(自身を除く): 31328588

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9311, 18622, 37244, 46555, 93110, 186220, 1405961, 2811922, 5623844, 7029805, 14059610, 28119220]

約数ペア:

[(1, 28119220), (2, 14059610), (4, 7029805), (5, 5623844), (10, 2811922), (20, 1405961), (151, 186220), (302, 93110), (604, 46555), (755, 37244), (1510, 18622), (3020, 9311)]