28348820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19417}}^1$

素因数の和:19499

約数の個数: 24

約数和(自身を含む): 60351144

約数和(自身を除く): 32002324

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19417, 38834, 77668, 97085, 194170, 388340, 1417441, 2834882, 5669764, 7087205, 14174410, 28348820]

約数ペア:

[(1, 28348820), (2, 14174410), (4, 7087205), (5, 5669764), (10, 2834882), (20, 1417441), (73, 388340), (146, 194170), (292, 97085), (365, 77668), (730, 38834), (1460, 19417)]