72867220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{158407}}^1$

素因数の和:158439

約数の個数: 24

約数和(自身を含む): 159675264

約数和(自身を除く): 86808044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 158407, 316814, 633628, 792035, 1584070, 3168140, 3643361, 7286722, 14573444, 18216805, 36433610, 72867220]

約数ペア:

[(1, 72867220), (2, 36433610), (4, 18216805), (5, 14573444), (10, 7286722), (20, 3643361), (23, 3168140), (46, 1584070), (92, 792035), (115, 633628), (230, 316814), (460, 158407)]