4023725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 5401440

約数和(自身を除く): 1377715

約数列:

[1, 5, 19, 25, 43, 95, 197, 215, 475, 817, 985, 1075, 3743, 4085, 4925, 8471, 18715, 20425, 42355, 93575, 160949, 211775, 804745, 4023725]

約数ペア:

[(1, 4023725), (5, 804745), (19, 211775), (25, 160949), (43, 93575), (95, 42355), (197, 20425), (215, 18715), (475, 8471), (817, 4925), (985, 4085), (1075, 3743)]